/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 17:45:43,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 17:45:43,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 17:45:43,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 17:45:43,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 17:45:43,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 17:45:43,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 17:45:43,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 17:45:43,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 17:45:43,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 17:45:43,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 17:45:43,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 17:45:43,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 17:45:43,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 17:45:43,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 17:45:43,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 17:45:43,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 17:45:43,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 17:45:43,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 17:45:43,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 17:45:43,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 17:45:43,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 17:45:43,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 17:45:43,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 17:45:43,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 17:45:43,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 17:45:43,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 17:45:43,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 17:45:43,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 17:45:43,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 17:45:43,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 17:45:43,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 17:45:43,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 17:45:43,246 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 17:45:43,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 17:45:43,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 17:45:43,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 17:45:43,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 17:45:43,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 17:45:43,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 17:45:43,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 17:45:43,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 17:45:43,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 17:45:43,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 17:45:43,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 17:45:43,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 17:45:43,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 17:45:43,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 17:45:43,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 17:45:43,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 17:45:43,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 17:45:43,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 17:45:43,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 17:45:43,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 17:45:43,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 17:45:43,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 17:45:43,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 17:45:43,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 17:45:43,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 17:45:43,251 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 17:45:43,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 17:45:43,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 17:45:43,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 17:45:43,577 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 17:45:43,578 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 17:45:43,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl [2021-03-26 17:45:43,579 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy10.wvr.bpl' [2021-03-26 17:45:43,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 17:45:43,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 17:45:43,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 17:45:43,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 17:45:43,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 17:45:43,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 17:45:43,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 17:45:43,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 17:45:43,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 17:45:43,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... [2021-03-26 17:45:43,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 17:45:43,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 17:45:43,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 17:45:43,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 17:45:43,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 17:45:43,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 17:45:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 17:45:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 17:45:43,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 17:45:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 17:45:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 17:45:43,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 17:45:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 17:45:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 17:45:43,701 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 17:45:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 17:45:43,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 17:45:43,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 17:45:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 17:45:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 17:45:43,703 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 17:45:43,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 17:45:43,916 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 17:45:43,918 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 05:45:43 BoogieIcfgContainer [2021-03-26 17:45:43,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 17:45:43,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 17:45:43,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 17:45:43,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 17:45:43,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 05:45:43" (1/2) ... [2021-03-26 17:45:43,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f367bf4 and model type easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 05:45:43, skipping insertion in model container [2021-03-26 17:45:43,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 05:45:43" (2/2) ... [2021-03-26 17:45:43,950 INFO L111 eAbstractionObserver]: Analyzing ICFG easy10.wvr.bpl [2021-03-26 17:45:43,955 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 17:45:43,957 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 17:45:43,958 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 17:45:44,056 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 17:45:44,072 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 17:45:44,106 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 17:45:44,106 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 17:45:44,106 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 17:45:44,106 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 17:45:44,106 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 17:45:44,106 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 17:45:44,106 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 17:45:44,106 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 17:45:44,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 45 transitions, 122 flow [2021-03-26 17:45:44,184 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-26 17:45:44,184 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 17:45:44,186 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. [2021-03-26 17:45:44,187 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 45 transitions, 122 flow [2021-03-26 17:45:44,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 39 transitions, 102 flow [2021-03-26 17:45:44,195 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:44,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 39 transitions, 102 flow [2021-03-26 17:45:44,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 39 transitions, 102 flow [2021-03-26 17:45:44,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 39 transitions, 102 flow [2021-03-26 17:45:44,247 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 17:45:44,247 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 17:45:44,248 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. [2021-03-26 17:45:44,249 INFO L142 LiptonReduction]: Number of co-enabled transitions 756 [2021-03-26 17:45:44,572 INFO L154 LiptonReduction]: Checked pairs total: 936 [2021-03-26 17:45:44,572 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 17:45:44,574 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 380 [2021-03-26 17:45:44,585 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-03-26 17:45:44,585 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 17:45:44,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:44,586 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] [2021-03-26 17:45:44,587 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:44,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:44,591 INFO L82 PathProgramCache]: Analyzing trace with hash 282617581, now seen corresponding path program 1 times [2021-03-26 17:45:44,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:44,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347804356] [2021-03-26 17:45:44,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:44,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:44,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 17:45:44,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:44,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 17:45:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:44,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347804356] [2021-03-26 17:45:44,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:44,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 17:45:44,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488216485] [2021-03-26 17:45:44,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 17:45:44,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:44,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 17:45:44,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 17:45:44,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 58 [2021-03-26 17:45:44,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 26 transitions, 76 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) [2021-03-26 17:45:44,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:44,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 58 [2021-03-26 17:45:44,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:44,748 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-03-26 17:45:44,749 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 17:45:44,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 30 events. 1/30 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 1 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 33. Up to 6 conditions per place. [2021-03-26 17:45:44,751 INFO L132 encePairwiseOnDemand]: 55/58 looper letters, 2 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2021-03-26 17:45:44,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 26 transitions, 84 flow [2021-03-26 17:45:44,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 17:45:44,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 17:45:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2021-03-26 17:45:44,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8908045977011494 [2021-03-26 17:45:44,762 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 155 transitions. [2021-03-26 17:45:44,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 155 transitions. [2021-03-26 17:45:44,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:44,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 155 transitions. [2021-03-26 17:45:44,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:44,776 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) [2021-03-26 17:45:44,776 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) [2021-03-26 17:45:44,778 INFO L185 Difference]: Start difference. First operand has 39 places, 26 transitions, 76 flow. Second operand 3 states and 155 transitions. [2021-03-26 17:45:44,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 26 transitions, 84 flow [2021-03-26 17:45:44,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 68 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 17:45:44,783 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 68 flow [2021-03-26 17:45:44,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2021-03-26 17:45:44,785 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2021-03-26 17:45:44,785 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:44,785 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 26 transitions, 68 flow [2021-03-26 17:45:44,786 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 26 transitions, 68 flow [2021-03-26 17:45:44,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 26 transitions, 68 flow [2021-03-26 17:45:44,791 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-03-26 17:45:44,792 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 17:45:44,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 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. [2021-03-26 17:45:44,792 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 17:45:44,854 INFO L154 LiptonReduction]: Checked pairs total: 521 [2021-03-26 17:45:44,854 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:45:44,854 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-26 17:45:44,857 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 64 flow [2021-03-26 17:45:44,857 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) [2021-03-26 17:45:44,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:44,857 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] [2021-03-26 17:45:44,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 17:45:44,858 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:44,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1092250881, now seen corresponding path program 2 times [2021-03-26 17:45:44,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:44,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90349068] [2021-03-26 17:45:44,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:44,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:44,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 17:45:44,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:44,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 17:45:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:44,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90349068] [2021-03-26 17:45:44,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:44,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 17:45:44,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144279085] [2021-03-26 17:45:44,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 17:45:44,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:44,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 17:45:44,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 17:45:44,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 60 [2021-03-26 17:45:44,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 64 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) [2021-03-26 17:45:44,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:44,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 60 [2021-03-26 17:45:44,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:44,940 INFO L129 PetriNetUnfolder]: 1/28 cut-off events. [2021-03-26 17:45:44,940 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 17:45:44,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 28 events. 1/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 1 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 30. Up to 6 conditions per place. [2021-03-26 17:45:44,943 INFO L132 encePairwiseOnDemand]: 57/60 looper letters, 2 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2021-03-26 17:45:44,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 24 transitions, 72 flow [2021-03-26 17:45:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 17:45:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 17:45:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2021-03-26 17:45:44,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8944444444444445 [2021-03-26 17:45:44,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 161 transitions. [2021-03-26 17:45:44,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 161 transitions. [2021-03-26 17:45:44,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:44,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 161 transitions. [2021-03-26 17:45:44,947 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) [2021-03-26 17:45:44,948 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) [2021-03-26 17:45:44,949 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) [2021-03-26 17:45:44,949 INFO L185 Difference]: Start difference. First operand has 32 places, 24 transitions, 64 flow. Second operand 3 states and 161 transitions. [2021-03-26 17:45:44,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 24 transitions, 72 flow [2021-03-26 17:45:44,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 24 transitions, 68 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 17:45:44,952 INFO L241 Difference]: Finished difference. Result has 33 places, 24 transitions, 68 flow [2021-03-26 17:45:44,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2021-03-26 17:45:44,953 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -6 predicate places. [2021-03-26 17:45:44,953 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:44,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 24 transitions, 68 flow [2021-03-26 17:45:44,954 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 24 transitions, 68 flow [2021-03-26 17:45:44,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 24 transitions, 68 flow [2021-03-26 17:45:44,961 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 17:45:44,961 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 17:45:44,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 24 events. 0/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 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. [2021-03-26 17:45:44,963 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-26 17:45:45,025 INFO L154 LiptonReduction]: Checked pairs total: 315 [2021-03-26 17:45:45,026 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:45:45,026 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 17:45:45,027 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 64 flow [2021-03-26 17:45:45,027 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) [2021-03-26 17:45:45,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:45,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:45,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 17:45:45,028 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:45,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:45,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1834067259, now seen corresponding path program 1 times [2021-03-26 17:45:45,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:45,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508191919] [2021-03-26 17:45:45,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:45,201 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:45,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:45,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:45,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:45,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:45,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:45,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:45,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:45,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:45,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:45,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:45,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:45,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:45,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:45,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:45,458 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:45,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:45,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508191919] [2021-03-26 17:45:45,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:45,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 17:45:45,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888368986] [2021-03-26 17:45:45,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 17:45:45,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:45,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 17:45:45,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-03-26 17:45:45,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 62 [2021-03-26 17:45:45,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 64 flow. Second operand has 14 states, 14 states have (on average 27.142857142857142) internal successors, (380), 14 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:45,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:45,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 62 [2021-03-26 17:45:45,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:46,437 INFO L129 PetriNetUnfolder]: 633/1002 cut-off events. [2021-03-26 17:45:46,437 INFO L130 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2021-03-26 17:45:46,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2302 conditions, 1002 events. 633/1002 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4300 event pairs, 328 based on Foata normal form. 2/1001 useless extension candidates. Maximal degree in co-relation 2250. Up to 746 conditions per place. [2021-03-26 17:45:46,446 INFO L132 encePairwiseOnDemand]: 48/62 looper letters, 38 selfloop transitions, 62 changer transitions 3/111 dead transitions. [2021-03-26 17:45:46,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 111 transitions, 501 flow [2021-03-26 17:45:46,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 17:45:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 17:45:46,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 651 transitions. [2021-03-26 17:45:46,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-03-26 17:45:46,450 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 651 transitions. [2021-03-26 17:45:46,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 651 transitions. [2021-03-26 17:45:46,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:46,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 651 transitions. [2021-03-26 17:45:46,453 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) [2021-03-26 17:45:46,456 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) [2021-03-26 17:45:46,457 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) [2021-03-26 17:45:46,457 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 64 flow. Second operand 21 states and 651 transitions. [2021-03-26 17:45:46,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 111 transitions, 501 flow [2021-03-26 17:45:46,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 111 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 17:45:46,461 INFO L241 Difference]: Finished difference. Result has 57 places, 83 transitions, 413 flow [2021-03-26 17:45:46,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=413, PETRI_PLACES=57, PETRI_TRANSITIONS=83} [2021-03-26 17:45:46,461 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 18 predicate places. [2021-03-26 17:45:46,461 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:46,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 83 transitions, 413 flow [2021-03-26 17:45:46,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 83 transitions, 413 flow [2021-03-26 17:45:46,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 83 transitions, 413 flow [2021-03-26 17:45:46,488 INFO L129 PetriNetUnfolder]: 202/394 cut-off events. [2021-03-26 17:45:46,489 INFO L130 PetriNetUnfolder]: For 111/111 co-relation queries the response was YES. [2021-03-26 17:45:46,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 394 events. 202/394 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1856 event pairs, 56 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 907. Up to 282 conditions per place. [2021-03-26 17:45:46,494 INFO L142 LiptonReduction]: Number of co-enabled transitions 330 [2021-03-26 17:45:46,608 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 17:45:46,608 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 17:45:46,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148 [2021-03-26 17:45:46,609 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 83 transitions, 418 flow [2021-03-26 17:45:46,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 27.142857142857142) internal successors, (380), 14 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:46,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:46,610 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:46,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 17:45:46,610 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:46,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:46,611 INFO L82 PathProgramCache]: Analyzing trace with hash -702267876, now seen corresponding path program 1 times [2021-03-26 17:45:46,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:46,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560981520] [2021-03-26 17:45:46,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:46,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:46,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 17:45:46,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:46,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 17:45:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:46,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560981520] [2021-03-26 17:45:46,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:46,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 17:45:46,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668996279] [2021-03-26 17:45:46,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 17:45:46,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:46,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 17:45:46,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 17:45:46,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 66 [2021-03-26 17:45:46,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 83 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:46,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:46,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 66 [2021-03-26 17:45:46,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:46,658 INFO L129 PetriNetUnfolder]: 160/327 cut-off events. [2021-03-26 17:45:46,658 INFO L130 PetriNetUnfolder]: For 316/316 co-relation queries the response was YES. [2021-03-26 17:45:46,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 327 events. 160/327 cut-off events. For 316/316 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1504 event pairs, 45 based on Foata normal form. 11/330 useless extension candidates. Maximal degree in co-relation 893. Up to 225 conditions per place. [2021-03-26 17:45:46,661 INFO L132 encePairwiseOnDemand]: 61/66 looper letters, 4 selfloop transitions, 14 changer transitions 0/68 dead transitions. [2021-03-26 17:45:46,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 68 transitions, 369 flow [2021-03-26 17:45:46,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 17:45:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 17:45:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2021-03-26 17:45:46,662 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8686868686868687 [2021-03-26 17:45:46,662 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 172 transitions. [2021-03-26 17:45:46,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 172 transitions. [2021-03-26 17:45:46,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:46,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 172 transitions. [2021-03-26 17:45:46,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:46,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:46,664 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:46,664 INFO L185 Difference]: Start difference. First operand has 55 places, 83 transitions, 418 flow. Second operand 3 states and 172 transitions. [2021-03-26 17:45:46,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 68 transitions, 369 flow [2021-03-26 17:45:46,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 68 transitions, 355 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 17:45:46,668 INFO L241 Difference]: Finished difference. Result has 53 places, 68 transitions, 365 flow [2021-03-26 17:45:46,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=365, PETRI_PLACES=53, PETRI_TRANSITIONS=68} [2021-03-26 17:45:46,668 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 14 predicate places. [2021-03-26 17:45:46,668 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:46,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 68 transitions, 365 flow [2021-03-26 17:45:46,669 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 68 transitions, 365 flow [2021-03-26 17:45:46,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 68 transitions, 365 flow [2021-03-26 17:45:46,685 INFO L129 PetriNetUnfolder]: 136/286 cut-off events. [2021-03-26 17:45:46,686 INFO L130 PetriNetUnfolder]: For 108/108 co-relation queries the response was YES. [2021-03-26 17:45:46,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 286 events. 136/286 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1324 event pairs, 26 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 723. Up to 199 conditions per place. [2021-03-26 17:45:46,689 INFO L142 LiptonReduction]: Number of co-enabled transitions 232 [2021-03-26 17:45:46,695 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:46,695 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:46,695 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-26 17:45:46,696 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 68 transitions, 365 flow [2021-03-26 17:45:46,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:46,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:46,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:46,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 17:45:46,697 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:46,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:46,697 INFO L82 PathProgramCache]: Analyzing trace with hash 960851776, now seen corresponding path program 1 times [2021-03-26 17:45:46,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:46,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615695603] [2021-03-26 17:45:46,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:46,732 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:46,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:46,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:46,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:46,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:46,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:46,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:46,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:46,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:46,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:46,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:46,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:46,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:46,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:46,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:46,814 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:45:46,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:46,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:46,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:46,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615695603] [2021-03-26 17:45:46,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:46,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:45:46,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632498517] [2021-03-26 17:45:46,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:45:46,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:46,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:45:46,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:45:46,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 66 [2021-03-26 17:45:46,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 68 transitions, 365 flow. Second operand has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:46,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:46,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 66 [2021-03-26 17:45:46,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:47,053 INFO L129 PetriNetUnfolder]: 375/656 cut-off events. [2021-03-26 17:45:47,053 INFO L130 PetriNetUnfolder]: For 594/601 co-relation queries the response was YES. [2021-03-26 17:45:47,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2314 conditions, 656 events. 375/656 cut-off events. For 594/601 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2977 event pairs, 124 based on Foata normal form. 6/656 useless extension candidates. Maximal degree in co-relation 2233. Up to 515 conditions per place. [2021-03-26 17:45:47,058 INFO L132 encePairwiseOnDemand]: 52/66 looper letters, 40 selfloop transitions, 33 changer transitions 2/83 dead transitions. [2021-03-26 17:45:47,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 83 transitions, 594 flow [2021-03-26 17:45:47,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 17:45:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 17:45:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 285 transitions. [2021-03-26 17:45:47,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4797979797979798 [2021-03-26 17:45:47,060 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 285 transitions. [2021-03-26 17:45:47,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 285 transitions. [2021-03-26 17:45:47,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:47,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 285 transitions. [2021-03-26 17:45:47,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 31.666666666666668) internal successors, (285), 9 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:47,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:47,062 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:47,062 INFO L185 Difference]: Start difference. First operand has 53 places, 68 transitions, 365 flow. Second operand 9 states and 285 transitions. [2021-03-26 17:45:47,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 83 transitions, 594 flow [2021-03-26 17:45:47,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 553 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 17:45:47,068 INFO L241 Difference]: Finished difference. Result has 62 places, 73 transitions, 471 flow [2021-03-26 17:45:47,068 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=471, PETRI_PLACES=62, PETRI_TRANSITIONS=73} [2021-03-26 17:45:47,068 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 23 predicate places. [2021-03-26 17:45:47,069 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:47,069 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 73 transitions, 471 flow [2021-03-26 17:45:47,069 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 73 transitions, 471 flow [2021-03-26 17:45:47,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 73 transitions, 471 flow [2021-03-26 17:45:47,085 INFO L129 PetriNetUnfolder]: 131/277 cut-off events. [2021-03-26 17:45:47,086 INFO L130 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2021-03-26 17:45:47,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 277 events. 131/277 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1273 event pairs, 21 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 757. Up to 194 conditions per place. [2021-03-26 17:45:47,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 17:45:47,096 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:47,096 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:47,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-26 17:45:47,097 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 73 transitions, 471 flow [2021-03-26 17:45:47,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:47,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:47,097 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:47,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 17:45:47,098 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:47,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:47,098 INFO L82 PathProgramCache]: Analyzing trace with hash -758681222, now seen corresponding path program 2 times [2021-03-26 17:45:47,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:47,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095407006] [2021-03-26 17:45:47,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:47,133 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:47,139 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:47,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:47,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:47,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:47,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:47,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:47,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:47,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:47,216 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:47,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:47,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095407006] [2021-03-26 17:45:47,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:47,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:45:47,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687895522] [2021-03-26 17:45:47,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:45:47,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:47,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:45:47,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:45:47,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 66 [2021-03-26 17:45:47,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 73 transitions, 471 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:47,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:47,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 66 [2021-03-26 17:45:47,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:47,471 INFO L129 PetriNetUnfolder]: 374/654 cut-off events. [2021-03-26 17:45:47,471 INFO L130 PetriNetUnfolder]: For 679/690 co-relation queries the response was YES. [2021-03-26 17:45:47,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2416 conditions, 654 events. 374/654 cut-off events. For 679/690 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2945 event pairs, 125 based on Foata normal form. 8/660 useless extension candidates. Maximal degree in co-relation 2331. Up to 513 conditions per place. [2021-03-26 17:45:47,477 INFO L132 encePairwiseOnDemand]: 52/66 looper letters, 39 selfloop transitions, 29 changer transitions 5/81 dead transitions. [2021-03-26 17:45:47,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 649 flow [2021-03-26 17:45:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:45:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:45:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 310 transitions. [2021-03-26 17:45:47,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4696969696969697 [2021-03-26 17:45:47,478 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 310 transitions. [2021-03-26 17:45:47,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 310 transitions. [2021-03-26 17:45:47,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:47,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 310 transitions. [2021-03-26 17:45:47,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 31.0) internal successors, (310), 10 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:47,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 66.0) internal successors, (726), 11 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) [2021-03-26 17:45:47,481 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 66.0) internal successors, (726), 11 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) [2021-03-26 17:45:47,481 INFO L185 Difference]: Start difference. First operand has 61 places, 73 transitions, 471 flow. Second operand 10 states and 310 transitions. [2021-03-26 17:45:47,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 649 flow [2021-03-26 17:45:47,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 81 transitions, 593 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-26 17:45:47,488 INFO L241 Difference]: Finished difference. Result has 65 places, 68 transitions, 438 flow [2021-03-26 17:45:47,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=438, PETRI_PLACES=65, PETRI_TRANSITIONS=68} [2021-03-26 17:45:47,488 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 26 predicate places. [2021-03-26 17:45:47,488 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:47,489 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 68 transitions, 438 flow [2021-03-26 17:45:47,489 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 68 transitions, 438 flow [2021-03-26 17:45:47,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 68 transitions, 438 flow [2021-03-26 17:45:47,505 INFO L129 PetriNetUnfolder]: 115/252 cut-off events. [2021-03-26 17:45:47,505 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-03-26 17:45:47,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 252 events. 115/252 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1164 event pairs, 23 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 700. Up to 173 conditions per place. [2021-03-26 17:45:47,507 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 17:45:47,736 INFO L154 LiptonReduction]: Checked pairs total: 49 [2021-03-26 17:45:47,736 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 17:45:47,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 248 [2021-03-26 17:45:47,739 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 68 transitions, 452 flow [2021-03-26 17:45:47,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:47,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:47,741 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] [2021-03-26 17:45:47,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 17:45:47,741 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:47,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:47,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1486281203, now seen corresponding path program 1 times [2021-03-26 17:45:47,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:47,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016191758] [2021-03-26 17:45:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:47,808 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:47,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:47,814 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:47,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:47,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:47,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:47,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:47,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:47,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:47,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:47,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:47,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:47,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:47,938 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:47,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016191758] [2021-03-26 17:45:47,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:47,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:45:47,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922744483] [2021-03-26 17:45:47,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:45:47,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:47,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:45:47,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:45:47,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 73 [2021-03-26 17:45:47,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 68 transitions, 452 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:47,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:47,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 73 [2021-03-26 17:45:47,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:48,339 INFO L129 PetriNetUnfolder]: 469/806 cut-off events. [2021-03-26 17:45:48,339 INFO L130 PetriNetUnfolder]: For 748/750 co-relation queries the response was YES. [2021-03-26 17:45:48,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2964 conditions, 806 events. 469/806 cut-off events. For 748/750 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3751 event pairs, 187 based on Foata normal form. 3/808 useless extension candidates. Maximal degree in co-relation 2946. Up to 635 conditions per place. [2021-03-26 17:45:48,346 INFO L132 encePairwiseOnDemand]: 59/73 looper letters, 76 selfloop transitions, 46 changer transitions 3/133 dead transitions. [2021-03-26 17:45:48,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 133 transitions, 1098 flow [2021-03-26 17:45:48,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:45:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:45:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 435 transitions. [2021-03-26 17:45:48,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42563600782778865 [2021-03-26 17:45:48,348 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 435 transitions. [2021-03-26 17:45:48,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 435 transitions. [2021-03-26 17:45:48,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:48,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 435 transitions. [2021-03-26 17:45:48,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.071428571428573) internal successors, (435), 14 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:48,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 73.0) internal successors, (1095), 15 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:48,352 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 73.0) internal successors, (1095), 15 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:48,352 INFO L185 Difference]: Start difference. First operand has 59 places, 68 transitions, 452 flow. Second operand 14 states and 435 transitions. [2021-03-26 17:45:48,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 133 transitions, 1098 flow [2021-03-26 17:45:48,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 133 transitions, 958 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-26 17:45:48,359 INFO L241 Difference]: Finished difference. Result has 76 places, 106 transitions, 799 flow [2021-03-26 17:45:48,359 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=799, PETRI_PLACES=76, PETRI_TRANSITIONS=106} [2021-03-26 17:45:48,360 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 37 predicate places. [2021-03-26 17:45:48,360 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:48,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 106 transitions, 799 flow [2021-03-26 17:45:48,360 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 106 transitions, 799 flow [2021-03-26 17:45:48,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 106 transitions, 799 flow [2021-03-26 17:45:48,388 INFO L129 PetriNetUnfolder]: 205/414 cut-off events. [2021-03-26 17:45:48,388 INFO L130 PetriNetUnfolder]: For 504/521 co-relation queries the response was YES. [2021-03-26 17:45:48,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1533 conditions, 414 events. 205/414 cut-off events. For 504/521 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2081 event pairs, 29 based on Foata normal form. 6/412 useless extension candidates. Maximal degree in co-relation 1507. Up to 289 conditions per place. [2021-03-26 17:45:48,393 INFO L142 LiptonReduction]: Number of co-enabled transitions 336 [2021-03-26 17:45:48,469 INFO L154 LiptonReduction]: Checked pairs total: 18 [2021-03-26 17:45:48,469 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:45:48,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 17:45:48,470 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 106 transitions, 807 flow [2021-03-26 17:45:48,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:48,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:48,471 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] [2021-03-26 17:45:48,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 17:45:48,471 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:48,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:48,471 INFO L82 PathProgramCache]: Analyzing trace with hash 166934461, now seen corresponding path program 2 times [2021-03-26 17:45:48,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:48,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420641852] [2021-03-26 17:45:48,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:48,500 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:48,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:48,505 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:48,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:48,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:48,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:48,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:48,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:48,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:48,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:48,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:48,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:48,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:48,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:48,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:48,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:48,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:48,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:48,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:48,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:48,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:48,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420641852] [2021-03-26 17:45:48,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:48,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:45:48,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118105251] [2021-03-26 17:45:48,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:45:48,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:48,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:45:48,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:45:48,636 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 75 [2021-03-26 17:45:48,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 106 transitions, 807 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:48,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:48,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 75 [2021-03-26 17:45:48,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:49,215 INFO L129 PetriNetUnfolder]: 530/896 cut-off events. [2021-03-26 17:45:49,215 INFO L130 PetriNetUnfolder]: For 1702/1707 co-relation queries the response was YES. [2021-03-26 17:45:49,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3985 conditions, 896 events. 530/896 cut-off events. For 1702/1707 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4231 event pairs, 174 based on Foata normal form. 6/899 useless extension candidates. Maximal degree in co-relation 3957. Up to 668 conditions per place. [2021-03-26 17:45:49,223 INFO L132 encePairwiseOnDemand]: 59/75 looper letters, 88 selfloop transitions, 87 changer transitions 2/185 dead transitions. [2021-03-26 17:45:49,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 185 transitions, 1700 flow [2021-03-26 17:45:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:45:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:45:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 545 transitions. [2021-03-26 17:45:49,226 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42745098039215684 [2021-03-26 17:45:49,226 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 545 transitions. [2021-03-26 17:45:49,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 545 transitions. [2021-03-26 17:45:49,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:49,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 545 transitions. [2021-03-26 17:45:49,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.05882352941177) internal successors, (545), 17 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:49,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 75.0) internal successors, (1350), 18 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:49,231 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 75.0) internal successors, (1350), 18 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:49,232 INFO L185 Difference]: Start difference. First operand has 73 places, 106 transitions, 807 flow. Second operand 17 states and 545 transitions. [2021-03-26 17:45:49,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 185 transitions, 1700 flow [2021-03-26 17:45:49,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 185 transitions, 1662 flow, removed 19 selfloop flow, removed 2 redundant places. [2021-03-26 17:45:49,251 INFO L241 Difference]: Finished difference. Result has 96 places, 159 transitions, 1465 flow [2021-03-26 17:45:49,251 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1465, PETRI_PLACES=96, PETRI_TRANSITIONS=159} [2021-03-26 17:45:49,251 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 57 predicate places. [2021-03-26 17:45:49,251 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:49,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 159 transitions, 1465 flow [2021-03-26 17:45:49,251 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 159 transitions, 1465 flow [2021-03-26 17:45:49,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 159 transitions, 1465 flow [2021-03-26 17:45:49,291 INFO L129 PetriNetUnfolder]: 234/475 cut-off events. [2021-03-26 17:45:49,291 INFO L130 PetriNetUnfolder]: For 1037/1108 co-relation queries the response was YES. [2021-03-26 17:45:49,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2180 conditions, 475 events. 234/475 cut-off events. For 1037/1108 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2493 event pairs, 30 based on Foata normal form. 7/472 useless extension candidates. Maximal degree in co-relation 2146. Up to 318 conditions per place. [2021-03-26 17:45:49,297 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-26 17:45:49,428 INFO L154 LiptonReduction]: Checked pairs total: 103 [2021-03-26 17:45:49,428 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 17:45:49,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 17:45:49,429 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 159 transitions, 1486 flow [2021-03-26 17:45:49,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:49,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:49,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:49,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 17:45:49,430 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:49,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:49,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1288963780, now seen corresponding path program 1 times [2021-03-26 17:45:49,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:49,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501382444] [2021-03-26 17:45:49,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:49,479 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:49,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:49,488 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:49,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:49,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:49,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:49,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:49,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:49,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:49,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:49,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:49,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:49,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:49,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:49,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:49,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:49,571 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:45:49,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:49,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:49,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:49,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501382444] [2021-03-26 17:45:49,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:49,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:45:49,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635980972] [2021-03-26 17:45:49,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:45:49,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:49,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:45:49,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:45:49,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 80 [2021-03-26 17:45:49,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 159 transitions, 1486 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:49,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:49,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 80 [2021-03-26 17:45:49,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:50,232 INFO L129 PetriNetUnfolder]: 597/999 cut-off events. [2021-03-26 17:45:50,232 INFO L130 PetriNetUnfolder]: For 3044/3066 co-relation queries the response was YES. [2021-03-26 17:45:50,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5167 conditions, 999 events. 597/999 cut-off events. For 3044/3066 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4848 event pairs, 125 based on Foata normal form. 15/1013 useless extension candidates. Maximal degree in co-relation 5131. Up to 653 conditions per place. [2021-03-26 17:45:50,243 INFO L132 encePairwiseOnDemand]: 60/80 looper letters, 78 selfloop transitions, 120 changer transitions 4/210 dead transitions. [2021-03-26 17:45:50,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 210 transitions, 2264 flow [2021-03-26 17:45:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:45:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:45:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 554 transitions. [2021-03-26 17:45:50,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4073529411764706 [2021-03-26 17:45:50,245 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 554 transitions. [2021-03-26 17:45:50,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 554 transitions. [2021-03-26 17:45:50,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:50,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 554 transitions. [2021-03-26 17:45:50,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.588235294117645) internal successors, (554), 17 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) [2021-03-26 17:45:50,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 80.0) internal successors, (1440), 18 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,249 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 80.0) internal successors, (1440), 18 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,249 INFO L185 Difference]: Start difference. First operand has 94 places, 159 transitions, 1486 flow. Second operand 17 states and 554 transitions. [2021-03-26 17:45:50,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 210 transitions, 2264 flow [2021-03-26 17:45:50,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 210 transitions, 2126 flow, removed 69 selfloop flow, removed 1 redundant places. [2021-03-26 17:45:50,270 INFO L241 Difference]: Finished difference. Result has 115 places, 177 transitions, 1874 flow [2021-03-26 17:45:50,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=1360, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1874, PETRI_PLACES=115, PETRI_TRANSITIONS=177} [2021-03-26 17:45:50,271 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 76 predicate places. [2021-03-26 17:45:50,271 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:50,271 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 177 transitions, 1874 flow [2021-03-26 17:45:50,271 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 177 transitions, 1874 flow [2021-03-26 17:45:50,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 177 transitions, 1874 flow [2021-03-26 17:45:50,308 INFO L129 PetriNetUnfolder]: 260/517 cut-off events. [2021-03-26 17:45:50,308 INFO L130 PetriNetUnfolder]: For 1936/2030 co-relation queries the response was YES. [2021-03-26 17:45:50,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2783 conditions, 517 events. 260/517 cut-off events. For 1936/2030 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2726 event pairs, 27 based on Foata normal form. 7/508 useless extension candidates. Maximal degree in co-relation 2699. Up to 334 conditions per place. [2021-03-26 17:45:50,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 476 [2021-03-26 17:45:50,486 INFO L154 LiptonReduction]: Checked pairs total: 185 [2021-03-26 17:45:50,487 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 17:45:50,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 216 [2021-03-26 17:45:50,492 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 177 transitions, 1896 flow [2021-03-26 17:45:50,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:50,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:50,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 17:45:50,492 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:50,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:50,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1541889304, now seen corresponding path program 1 times [2021-03-26 17:45:50,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:50,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830715546] [2021-03-26 17:45:50,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:50,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:50,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 17:45:50,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:50,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 17:45:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:50,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830715546] [2021-03-26 17:45:50,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:50,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 17:45:50,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25205291] [2021-03-26 17:45:50,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 17:45:50,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:50,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 17:45:50,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 17:45:50,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 86 [2021-03-26 17:45:50,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 177 transitions, 1896 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:50,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 86 [2021-03-26 17:45:50,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:50,572 INFO L129 PetriNetUnfolder]: 221/454 cut-off events. [2021-03-26 17:45:50,572 INFO L130 PetriNetUnfolder]: For 2207/2277 co-relation queries the response was YES. [2021-03-26 17:45:50,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2594 conditions, 454 events. 221/454 cut-off events. For 2207/2277 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2350 event pairs, 31 based on Foata normal form. 13/450 useless extension candidates. Maximal degree in co-relation 2514. Up to 274 conditions per place. [2021-03-26 17:45:50,581 INFO L132 encePairwiseOnDemand]: 82/86 looper letters, 15 selfloop transitions, 17 changer transitions 0/156 dead transitions. [2021-03-26 17:45:50,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 156 transitions, 1768 flow [2021-03-26 17:45:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 17:45:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 17:45:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2021-03-26 17:45:50,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8992248062015504 [2021-03-26 17:45:50,583 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 232 transitions. [2021-03-26 17:45:50,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 232 transitions. [2021-03-26 17:45:50,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:50,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 232 transitions. [2021-03-26 17:45:50,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,585 INFO L185 Difference]: Start difference. First operand has 114 places, 177 transitions, 1896 flow. Second operand 3 states and 232 transitions. [2021-03-26 17:45:50,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 156 transitions, 1768 flow [2021-03-26 17:45:50,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 156 transitions, 1568 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 17:45:50,601 INFO L241 Difference]: Finished difference. Result has 107 places, 156 transitions, 1557 flow [2021-03-26 17:45:50,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1557, PETRI_PLACES=107, PETRI_TRANSITIONS=156} [2021-03-26 17:45:50,602 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 68 predicate places. [2021-03-26 17:45:50,602 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:50,602 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 156 transitions, 1557 flow [2021-03-26 17:45:50,602 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 156 transitions, 1557 flow [2021-03-26 17:45:50,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 156 transitions, 1557 flow [2021-03-26 17:45:50,658 INFO L129 PetriNetUnfolder]: 196/421 cut-off events. [2021-03-26 17:45:50,658 INFO L130 PetriNetUnfolder]: For 1654/1741 co-relation queries the response was YES. [2021-03-26 17:45:50,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 421 events. 196/421 cut-off events. For 1654/1741 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2220 event pairs, 15 based on Foata normal form. 6/418 useless extension candidates. Maximal degree in co-relation 2182. Up to 245 conditions per place. [2021-03-26 17:45:50,663 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-26 17:45:50,675 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:50,675 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:50,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 17:45:50,676 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 156 transitions, 1557 flow [2021-03-26 17:45:50,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:50,676 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:50,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 17:45:50,676 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:50,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:50,677 INFO L82 PathProgramCache]: Analyzing trace with hash 195503601, now seen corresponding path program 1 times [2021-03-26 17:45:50,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:50,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224101672] [2021-03-26 17:45:50,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:50,715 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:50,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:50,720 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:50,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:50,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:50,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:50,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:50,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:50,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:50,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:50,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:50,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:50,772 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-26 17:45:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:50,792 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-26 17:45:50,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:50,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:45:50,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:50,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:50,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224101672] [2021-03-26 17:45:50,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:50,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:45:50,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121362171] [2021-03-26 17:45:50,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:45:50,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:50,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:45:50,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:45:50,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 86 [2021-03-26 17:45:50,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 156 transitions, 1557 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:50,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:50,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 86 [2021-03-26 17:45:50,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:51,300 INFO L129 PetriNetUnfolder]: 423/748 cut-off events. [2021-03-26 17:45:51,300 INFO L130 PetriNetUnfolder]: For 3539/3567 co-relation queries the response was YES. [2021-03-26 17:45:51,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4471 conditions, 748 events. 423/748 cut-off events. For 3539/3567 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3591 event pairs, 78 based on Foata normal form. 14/759 useless extension candidates. Maximal degree in co-relation 4378. Up to 546 conditions per place. [2021-03-26 17:45:51,309 INFO L132 encePairwiseOnDemand]: 66/86 looper letters, 83 selfloop transitions, 103 changer transitions 2/196 dead transitions. [2021-03-26 17:45:51,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 196 transitions, 2285 flow [2021-03-26 17:45:51,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:45:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:45:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 490 transitions. [2021-03-26 17:45:51,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3798449612403101 [2021-03-26 17:45:51,312 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 490 transitions. [2021-03-26 17:45:51,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 490 transitions. [2021-03-26 17:45:51,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:51,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 490 transitions. [2021-03-26 17:45:51,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.666666666666664) internal successors, (490), 15 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:51,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 86.0) internal successors, (1376), 16 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:51,317 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 86.0) internal successors, (1376), 16 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:51,318 INFO L185 Difference]: Start difference. First operand has 107 places, 156 transitions, 1557 flow. Second operand 15 states and 490 transitions. [2021-03-26 17:45:51,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 196 transitions, 2285 flow [2021-03-26 17:45:51,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 196 transitions, 2251 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 17:45:51,340 INFO L241 Difference]: Finished difference. Result has 121 places, 178 transitions, 2016 flow [2021-03-26 17:45:51,340 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=1523, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2016, PETRI_PLACES=121, PETRI_TRANSITIONS=178} [2021-03-26 17:45:51,340 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 82 predicate places. [2021-03-26 17:45:51,340 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:51,340 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 178 transitions, 2016 flow [2021-03-26 17:45:51,341 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 178 transitions, 2016 flow [2021-03-26 17:45:51,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 178 transitions, 2016 flow [2021-03-26 17:45:51,378 INFO L129 PetriNetUnfolder]: 214/455 cut-off events. [2021-03-26 17:45:51,378 INFO L130 PetriNetUnfolder]: For 2255/2339 co-relation queries the response was YES. [2021-03-26 17:45:51,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2697 conditions, 455 events. 214/455 cut-off events. For 2255/2339 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2448 event pairs, 19 based on Foata normal form. 7/454 useless extension candidates. Maximal degree in co-relation 2616. Up to 271 conditions per place. [2021-03-26 17:45:51,384 INFO L142 LiptonReduction]: Number of co-enabled transitions 360 [2021-03-26 17:45:51,499 INFO L154 LiptonReduction]: Checked pairs total: 120 [2021-03-26 17:45:51,499 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 17:45:51,499 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159 [2021-03-26 17:45:51,502 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 178 transitions, 2028 flow [2021-03-26 17:45:51,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:51,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:51,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:51,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 17:45:51,502 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:51,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:51,503 INFO L82 PathProgramCache]: Analyzing trace with hash 614692316, now seen corresponding path program 2 times [2021-03-26 17:45:51,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:51,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909721062] [2021-03-26 17:45:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:51,537 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:51,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:51,542 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:51,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:51,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:51,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:51,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:51,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:51,572 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:45:51,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:45:51,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:51,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:51,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:51,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:51,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:51,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:51,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:51,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:51,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:51,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:51,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909721062] [2021-03-26 17:45:51,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:51,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:45:51,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831210572] [2021-03-26 17:45:51,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:45:51,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:51,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:45:51,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:45:51,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 89 [2021-03-26 17:45:51,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 178 transitions, 2028 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:51,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:51,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 89 [2021-03-26 17:45:51,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:52,142 INFO L129 PetriNetUnfolder]: 455/810 cut-off events. [2021-03-26 17:45:52,142 INFO L130 PetriNetUnfolder]: For 4596/4631 co-relation queries the response was YES. [2021-03-26 17:45:52,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5224 conditions, 810 events. 455/810 cut-off events. For 4596/4631 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3948 event pairs, 111 based on Foata normal form. 10/816 useless extension candidates. Maximal degree in co-relation 5125. Up to 683 conditions per place. [2021-03-26 17:45:52,151 INFO L132 encePairwiseOnDemand]: 70/89 looper letters, 139 selfloop transitions, 83 changer transitions 2/232 dead transitions. [2021-03-26 17:45:52,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 232 transitions, 3051 flow [2021-03-26 17:45:52,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:45:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:45:52,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 483 transitions. [2021-03-26 17:45:52,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36179775280898874 [2021-03-26 17:45:52,155 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 483 transitions. [2021-03-26 17:45:52,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 483 transitions. [2021-03-26 17:45:52,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:52,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 483 transitions. [2021-03-26 17:45:52,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.2) internal successors, (483), 15 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:52,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 89.0) internal successors, (1424), 16 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:52,160 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 89.0) internal successors, (1424), 16 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:52,160 INFO L185 Difference]: Start difference. First operand has 121 places, 178 transitions, 2028 flow. Second operand 15 states and 483 transitions. [2021-03-26 17:45:52,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 232 transitions, 3051 flow [2021-03-26 17:45:52,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 232 transitions, 2854 flow, removed 54 selfloop flow, removed 5 redundant places. [2021-03-26 17:45:52,186 INFO L241 Difference]: Finished difference. Result has 142 places, 219 transitions, 2617 flow [2021-03-26 17:45:52,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=1849, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2617, PETRI_PLACES=142, PETRI_TRANSITIONS=219} [2021-03-26 17:45:52,187 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 103 predicate places. [2021-03-26 17:45:52,187 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:52,187 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 219 transitions, 2617 flow [2021-03-26 17:45:52,187 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 219 transitions, 2617 flow [2021-03-26 17:45:52,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 219 transitions, 2617 flow [2021-03-26 17:45:52,232 INFO L129 PetriNetUnfolder]: 243/516 cut-off events. [2021-03-26 17:45:52,232 INFO L130 PetriNetUnfolder]: For 2999/3145 co-relation queries the response was YES. [2021-03-26 17:45:52,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3240 conditions, 516 events. 243/516 cut-off events. For 2999/3145 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2857 event pairs, 12 based on Foata normal form. 10/513 useless extension candidates. Maximal degree in co-relation 3188. Up to 293 conditions per place. [2021-03-26 17:45:52,239 INFO L142 LiptonReduction]: Number of co-enabled transitions 358 [2021-03-26 17:45:52,426 INFO L154 LiptonReduction]: Checked pairs total: 92 [2021-03-26 17:45:52,426 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 17:45:52,426 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-03-26 17:45:52,428 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 219 transitions, 2647 flow [2021-03-26 17:45:52,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:52,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:52,428 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:52,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 17:45:52,428 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:52,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:52,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1743262060, now seen corresponding path program 1 times [2021-03-26 17:45:52,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:52,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040755834] [2021-03-26 17:45:52,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:52,470 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:52,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:52,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:52,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:52,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:52,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:52,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:52,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:52,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:52,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:52,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:52,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:52,530 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-26 17:45:52,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:52,537 INFO L142 QuantifierPusher]: treesize reduction 27, result has 43.8 percent of original size [2021-03-26 17:45:52,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:52,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:52,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:45:52,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:52,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:52,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040755834] [2021-03-26 17:45:52,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:52,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:45:52,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203573304] [2021-03-26 17:45:52,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:45:52,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:52,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:45:52,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:45:52,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 95 [2021-03-26 17:45:52,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 219 transitions, 2647 flow. Second operand has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:52,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:52,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 95 [2021-03-26 17:45:52,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:52,916 INFO L129 PetriNetUnfolder]: 454/808 cut-off events. [2021-03-26 17:45:52,916 INFO L130 PetriNetUnfolder]: For 5664/5703 co-relation queries the response was YES. [2021-03-26 17:45:52,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5541 conditions, 808 events. 454/808 cut-off events. For 5664/5703 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3989 event pairs, 92 based on Foata normal form. 16/821 useless extension candidates. Maximal degree in co-relation 5487. Up to 678 conditions per place. [2021-03-26 17:45:52,926 INFO L132 encePairwiseOnDemand]: 73/95 looper letters, 125 selfloop transitions, 94 changer transitions 2/229 dead transitions. [2021-03-26 17:45:52,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 229 transitions, 3171 flow [2021-03-26 17:45:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:45:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:45:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 342 transitions. [2021-03-26 17:45:52,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36 [2021-03-26 17:45:52,928 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 342 transitions. [2021-03-26 17:45:52,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 342 transitions. [2021-03-26 17:45:52,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:52,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 342 transitions. [2021-03-26 17:45:52,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.2) internal successors, (342), 10 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:52,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 95.0) internal successors, (1045), 11 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:52,930 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 95.0) internal successors, (1045), 11 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:52,930 INFO L185 Difference]: Start difference. First operand has 140 places, 219 transitions, 2647 flow. Second operand 10 states and 342 transitions. [2021-03-26 17:45:52,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 229 transitions, 3171 flow [2021-03-26 17:45:52,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 229 transitions, 3107 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-26 17:45:52,967 INFO L241 Difference]: Finished difference. Result has 150 places, 220 transitions, 2834 flow [2021-03-26 17:45:52,967 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=2583, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2834, PETRI_PLACES=150, PETRI_TRANSITIONS=220} [2021-03-26 17:45:52,967 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 111 predicate places. [2021-03-26 17:45:52,967 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:52,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 220 transitions, 2834 flow [2021-03-26 17:45:52,968 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 220 transitions, 2834 flow [2021-03-26 17:45:52,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 220 transitions, 2834 flow [2021-03-26 17:45:53,014 INFO L129 PetriNetUnfolder]: 250/529 cut-off events. [2021-03-26 17:45:53,014 INFO L130 PetriNetUnfolder]: For 3307/3454 co-relation queries the response was YES. [2021-03-26 17:45:53,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3469 conditions, 529 events. 250/529 cut-off events. For 3307/3454 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2939 event pairs, 9 based on Foata normal form. 8/525 useless extension candidates. Maximal degree in co-relation 3370. Up to 299 conditions per place. [2021-03-26 17:45:53,022 INFO L142 LiptonReduction]: Number of co-enabled transitions 358 [2021-03-26 17:45:53,108 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 17:45:53,108 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:45:53,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 141 [2021-03-26 17:45:53,108 INFO L480 AbstractCegarLoop]: Abstraction has has 150 places, 220 transitions, 2836 flow [2021-03-26 17:45:53,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:53,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:53,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:53,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 17:45:53,109 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:53,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:53,109 INFO L82 PathProgramCache]: Analyzing trace with hash 380746207, now seen corresponding path program 1 times [2021-03-26 17:45:53,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:53,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008047495] [2021-03-26 17:45:53,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:53,126 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:53,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:53,131 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:53,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:53,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:53,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:53,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:53,159 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:53,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:53,186 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:53,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:53,214 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:53,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:53,242 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:45:53,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:45:53,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:53,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:53,288 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:53,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:53,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008047495] [2021-03-26 17:45:53,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:53,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:45:53,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156854741] [2021-03-26 17:45:53,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:45:53,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:53,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:45:53,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:45:53,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 97 [2021-03-26 17:45:53,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 220 transitions, 2836 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:53,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:53,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 97 [2021-03-26 17:45:53,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:53,943 INFO L129 PetriNetUnfolder]: 462/830 cut-off events. [2021-03-26 17:45:53,944 INFO L130 PetriNetUnfolder]: For 6020/6048 co-relation queries the response was YES. [2021-03-26 17:45:53,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5880 conditions, 830 events. 462/830 cut-off events. For 6020/6048 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4177 event pairs, 98 based on Foata normal form. 11/838 useless extension candidates. Maximal degree in co-relation 5767. Up to 677 conditions per place. [2021-03-26 17:45:53,955 INFO L132 encePairwiseOnDemand]: 72/97 looper letters, 118 selfloop transitions, 113 changer transitions 9/248 dead transitions. [2021-03-26 17:45:53,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 248 transitions, 3667 flow [2021-03-26 17:45:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:45:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:45:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 509 transitions. [2021-03-26 17:45:53,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3279639175257732 [2021-03-26 17:45:53,957 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 509 transitions. [2021-03-26 17:45:53,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 509 transitions. [2021-03-26 17:45:53,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:53,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 509 transitions. [2021-03-26 17:45:53,958 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) [2021-03-26 17:45:53,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:53,960 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 97.0) internal successors, (1649), 17 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:53,960 INFO L185 Difference]: Start difference. First operand has 150 places, 220 transitions, 2836 flow. Second operand 16 states and 509 transitions. [2021-03-26 17:45:53,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 248 transitions, 3667 flow [2021-03-26 17:45:53,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 248 transitions, 3461 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-03-26 17:45:53,998 INFO L241 Difference]: Finished difference. Result has 167 places, 234 transitions, 3128 flow [2021-03-26 17:45:53,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=2642, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3128, PETRI_PLACES=167, PETRI_TRANSITIONS=234} [2021-03-26 17:45:53,999 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 128 predicate places. [2021-03-26 17:45:53,999 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:53,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 234 transitions, 3128 flow [2021-03-26 17:45:53,999 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 234 transitions, 3128 flow [2021-03-26 17:45:54,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 234 transitions, 3128 flow [2021-03-26 17:45:54,055 INFO L129 PetriNetUnfolder]: 243/527 cut-off events. [2021-03-26 17:45:54,055 INFO L130 PetriNetUnfolder]: For 4222/4339 co-relation queries the response was YES. [2021-03-26 17:45:54,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3680 conditions, 527 events. 243/527 cut-off events. For 4222/4339 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2988 event pairs, 10 based on Foata normal form. 9/527 useless extension candidates. Maximal degree in co-relation 3621. Up to 302 conditions per place. [2021-03-26 17:45:54,065 INFO L142 LiptonReduction]: Number of co-enabled transitions 358 [2021-03-26 17:45:54,081 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:54,081 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:54,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-26 17:45:54,082 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 234 transitions, 3128 flow [2021-03-26 17:45:54,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:54,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:54,082 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:54,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 17:45:54,082 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:54,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:54,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1248154981, now seen corresponding path program 1 times [2021-03-26 17:45:54,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:54,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529273290] [2021-03-26 17:45:54,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:54,112 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:54,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:54,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:54,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:54,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:54,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:54,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:54,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:54,161 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:45:54,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:45:54,186 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:45:54,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:45:54,209 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:45:54,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:45:54,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:54,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:54,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529273290] [2021-03-26 17:45:54,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:54,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:45:54,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810766138] [2021-03-26 17:45:54,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:45:54,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:54,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:45:54,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:45:54,215 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 97 [2021-03-26 17:45:54,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 234 transitions, 3128 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:54,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:54,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 97 [2021-03-26 17:45:54,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:54,657 INFO L129 PetriNetUnfolder]: 470/842 cut-off events. [2021-03-26 17:45:54,657 INFO L130 PetriNetUnfolder]: For 7891/7897 co-relation queries the response was YES. [2021-03-26 17:45:54,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6289 conditions, 842 events. 470/842 cut-off events. For 7891/7897 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4287 event pairs, 93 based on Foata normal form. 4/843 useless extension candidates. Maximal degree in co-relation 6228. Up to 744 conditions per place. [2021-03-26 17:45:54,671 INFO L132 encePairwiseOnDemand]: 79/97 looper letters, 201 selfloop transitions, 52 changer transitions 2/263 dead transitions. [2021-03-26 17:45:54,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 263 transitions, 3975 flow [2021-03-26 17:45:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:45:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:45:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 389 transitions. [2021-03-26 17:45:54,673 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33419243986254293 [2021-03-26 17:45:54,673 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 389 transitions. [2021-03-26 17:45:54,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 389 transitions. [2021-03-26 17:45:54,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:54,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 389 transitions. [2021-03-26 17:45:54,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.416666666666664) internal successors, (389), 12 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:54,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:54,675 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:54,676 INFO L185 Difference]: Start difference. First operand has 161 places, 234 transitions, 3128 flow. Second operand 12 states and 389 transitions. [2021-03-26 17:45:54,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 263 transitions, 3975 flow [2021-03-26 17:45:54,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 263 transitions, 3856 flow, removed 34 selfloop flow, removed 6 redundant places. [2021-03-26 17:45:54,723 INFO L241 Difference]: Finished difference. Result has 176 places, 253 transitions, 3457 flow [2021-03-26 17:45:54,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=3021, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3457, PETRI_PLACES=176, PETRI_TRANSITIONS=253} [2021-03-26 17:45:54,724 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2021-03-26 17:45:54,724 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:54,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 253 transitions, 3457 flow [2021-03-26 17:45:54,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 253 transitions, 3457 flow [2021-03-26 17:45:54,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 253 transitions, 3457 flow [2021-03-26 17:45:54,781 INFO L129 PetriNetUnfolder]: 265/566 cut-off events. [2021-03-26 17:45:54,781 INFO L130 PetriNetUnfolder]: For 4849/5028 co-relation queries the response was YES. [2021-03-26 17:45:54,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4071 conditions, 566 events. 265/566 cut-off events. For 4849/5028 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3301 event pairs, 13 based on Foata normal form. 9/558 useless extension candidates. Maximal degree in co-relation 3960. Up to 325 conditions per place. [2021-03-26 17:45:54,790 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-26 17:45:54,900 INFO L154 LiptonReduction]: Checked pairs total: 104 [2021-03-26 17:45:54,900 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 17:45:54,901 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 17:45:54,904 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 253 transitions, 3481 flow [2021-03-26 17:45:54,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:54,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:54,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:54,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 17:45:54,904 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:54,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:54,905 INFO L82 PathProgramCache]: Analyzing trace with hash 110496921, now seen corresponding path program 2 times [2021-03-26 17:45:54,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:54,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763932926] [2021-03-26 17:45:54,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:54,953 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:54,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:54,958 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:54,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:54,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:54,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:54,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:54,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:54,995 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:45:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:45:55,000 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:45:55,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:55,021 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:45:55,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:45:55,041 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:45:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:45:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:55,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763932926] [2021-03-26 17:45:55,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:55,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:45:55,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342008321] [2021-03-26 17:45:55,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:45:55,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:55,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:45:55,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:45:55,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 100 [2021-03-26 17:45:55,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 253 transitions, 3481 flow. Second operand has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:55,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:55,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 100 [2021-03-26 17:45:55,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:55,415 INFO L129 PetriNetUnfolder]: 471/847 cut-off events. [2021-03-26 17:45:55,416 INFO L130 PetriNetUnfolder]: For 8748/8771 co-relation queries the response was YES. [2021-03-26 17:45:55,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6625 conditions, 847 events. 471/847 cut-off events. For 8748/8771 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4349 event pairs, 91 based on Foata normal form. 11/855 useless extension candidates. Maximal degree in co-relation 6501. Up to 745 conditions per place. [2021-03-26 17:45:55,437 INFO L132 encePairwiseOnDemand]: 81/100 looper letters, 202 selfloop transitions, 53 changer transitions 2/265 dead transitions. [2021-03-26 17:45:55,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 265 transitions, 4122 flow [2021-03-26 17:45:55,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 17:45:55,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 17:45:55,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 309 transitions. [2021-03-26 17:45:55,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3433333333333333 [2021-03-26 17:45:55,440 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 309 transitions. [2021-03-26 17:45:55,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 309 transitions. [2021-03-26 17:45:55,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:55,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 309 transitions. [2021-03-26 17:45:55,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 34.333333333333336) internal successors, (309), 9 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:55,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 100.0) internal successors, (1000), 10 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:55,442 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 100.0) internal successors, (1000), 10 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:55,442 INFO L185 Difference]: Start difference. First operand has 175 places, 253 transitions, 3481 flow. Second operand 9 states and 309 transitions. [2021-03-26 17:45:55,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 265 transitions, 4122 flow [2021-03-26 17:45:55,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 265 transitions, 4016 flow, removed 53 selfloop flow, removed 1 redundant places. [2021-03-26 17:45:55,496 INFO L241 Difference]: Finished difference. Result has 186 places, 256 transitions, 3562 flow [2021-03-26 17:45:55,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=3377, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3562, PETRI_PLACES=186, PETRI_TRANSITIONS=256} [2021-03-26 17:45:55,496 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2021-03-26 17:45:55,496 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:55,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 256 transitions, 3562 flow [2021-03-26 17:45:55,497 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 256 transitions, 3562 flow [2021-03-26 17:45:55,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 185 places, 256 transitions, 3562 flow [2021-03-26 17:45:55,553 INFO L129 PetriNetUnfolder]: 256/561 cut-off events. [2021-03-26 17:45:55,553 INFO L130 PetriNetUnfolder]: For 4949/5074 co-relation queries the response was YES. [2021-03-26 17:45:55,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4082 conditions, 561 events. 256/561 cut-off events. For 4949/5074 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3320 event pairs, 13 based on Foata normal form. 9/556 useless extension candidates. Maximal degree in co-relation 3976. Up to 309 conditions per place. [2021-03-26 17:45:55,563 INFO L142 LiptonReduction]: Number of co-enabled transitions 376 [2021-03-26 17:45:55,579 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:55,579 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:55,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 17:45:55,580 INFO L480 AbstractCegarLoop]: Abstraction has has 185 places, 256 transitions, 3562 flow [2021-03-26 17:45:55,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:55,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:55,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:55,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 17:45:55,580 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:55,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:55,581 INFO L82 PathProgramCache]: Analyzing trace with hash -358023120, now seen corresponding path program 1 times [2021-03-26 17:45:55,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:55,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019238092] [2021-03-26 17:45:55,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:55,614 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:55,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:55,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:55,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:55,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:55,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:55,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:55,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:55,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:55,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:55,653 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:45:55,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:55,674 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:45:55,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:45:55,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:55,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:55,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019238092] [2021-03-26 17:45:55,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:55,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 17:45:55,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478976692] [2021-03-26 17:45:55,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 17:45:55,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:55,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 17:45:55,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-26 17:45:55,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 100 [2021-03-26 17:45:55,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 256 transitions, 3562 flow. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:55,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:55,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 100 [2021-03-26 17:45:55,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:56,038 INFO L129 PetriNetUnfolder]: 479/864 cut-off events. [2021-03-26 17:45:56,038 INFO L130 PetriNetUnfolder]: For 9379/9402 co-relation queries the response was YES. [2021-03-26 17:45:56,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6844 conditions, 864 events. 479/864 cut-off events. For 9379/9402 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4488 event pairs, 89 based on Foata normal form. 11/872 useless extension candidates. Maximal degree in co-relation 6760. Up to 710 conditions per place. [2021-03-26 17:45:56,048 INFO L132 encePairwiseOnDemand]: 72/100 looper letters, 150 selfloop transitions, 114 changer transitions 2/274 dead transitions. [2021-03-26 17:45:56,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 274 transitions, 4323 flow [2021-03-26 17:45:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 17:45:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 17:45:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 265 transitions. [2021-03-26 17:45:56,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37857142857142856 [2021-03-26 17:45:56,049 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 265 transitions. [2021-03-26 17:45:56,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 265 transitions. [2021-03-26 17:45:56,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:56,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 265 transitions. [2021-03-26 17:45:56,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 37.857142857142854) internal successors, (265), 7 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:56,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:56,051 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:56,051 INFO L185 Difference]: Start difference. First operand has 185 places, 256 transitions, 3562 flow. Second operand 7 states and 265 transitions. [2021-03-26 17:45:56,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 274 transitions, 4323 flow [2021-03-26 17:45:56,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 274 transitions, 4215 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-26 17:45:56,106 INFO L241 Difference]: Finished difference. Result has 189 places, 266 transitions, 3962 flow [2021-03-26 17:45:56,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=3456, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3962, PETRI_PLACES=189, PETRI_TRANSITIONS=266} [2021-03-26 17:45:56,106 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 150 predicate places. [2021-03-26 17:45:56,106 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:56,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 266 transitions, 3962 flow [2021-03-26 17:45:56,107 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 266 transitions, 3962 flow [2021-03-26 17:45:56,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 266 transitions, 3962 flow [2021-03-26 17:45:56,166 INFO L129 PetriNetUnfolder]: 265/572 cut-off events. [2021-03-26 17:45:56,166 INFO L130 PetriNetUnfolder]: For 5731/5870 co-relation queries the response was YES. [2021-03-26 17:45:56,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4421 conditions, 572 events. 265/572 cut-off events. For 5731/5870 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3324 event pairs, 11 based on Foata normal form. 10/573 useless extension candidates. Maximal degree in co-relation 4323. Up to 316 conditions per place. [2021-03-26 17:45:56,176 INFO L142 LiptonReduction]: Number of co-enabled transitions 384 [2021-03-26 17:45:56,239 INFO L154 LiptonReduction]: Checked pairs total: 56 [2021-03-26 17:45:56,239 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:45:56,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 133 [2021-03-26 17:45:56,240 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 266 transitions, 3970 flow [2021-03-26 17:45:56,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:56,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:56,240 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:56,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 17:45:56,241 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:56,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:56,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1623852966, now seen corresponding path program 1 times [2021-03-26 17:45:56,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:56,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298185337] [2021-03-26 17:45:56,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:56,263 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:56,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:56,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:56,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:56,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:56,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:56,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:56,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:56,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:56,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:45:56,304 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:45:56,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:56,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:56,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:45:56,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:56,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:56,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:56,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:56,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298185337] [2021-03-26 17:45:56,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:56,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:45:56,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097238362] [2021-03-26 17:45:56,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:45:56,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:56,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:45:56,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:45:56,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 101 [2021-03-26 17:45:56,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 266 transitions, 3970 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:56,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:56,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 101 [2021-03-26 17:45:56,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:56,804 INFO L129 PetriNetUnfolder]: 478/865 cut-off events. [2021-03-26 17:45:56,804 INFO L130 PetriNetUnfolder]: For 10475/10498 co-relation queries the response was YES. [2021-03-26 17:45:56,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7158 conditions, 865 events. 478/865 cut-off events. For 10475/10498 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4495 event pairs, 87 based on Foata normal form. 11/873 useless extension candidates. Maximal degree in co-relation 7068. Up to 685 conditions per place. [2021-03-26 17:45:56,815 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 141 selfloop transitions, 126 changer transitions 2/277 dead transitions. [2021-03-26 17:45:56,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 277 transitions, 4664 flow [2021-03-26 17:45:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:45:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:45:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 350 transitions. [2021-03-26 17:45:56,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3465346534653465 [2021-03-26 17:45:56,817 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 350 transitions. [2021-03-26 17:45:56,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 350 transitions. [2021-03-26 17:45:56,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:56,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 350 transitions. [2021-03-26 17:45:56,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 35.0) internal successors, (350), 10 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:56,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:56,819 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:56,819 INFO L185 Difference]: Start difference. First operand has 189 places, 266 transitions, 3970 flow. Second operand 10 states and 350 transitions. [2021-03-26 17:45:56,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 277 transitions, 4664 flow [2021-03-26 17:45:56,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 277 transitions, 4544 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 17:45:56,884 INFO L241 Difference]: Finished difference. Result has 199 places, 267 transitions, 4148 flow [2021-03-26 17:45:56,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=3850, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4148, PETRI_PLACES=199, PETRI_TRANSITIONS=267} [2021-03-26 17:45:56,885 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 160 predicate places. [2021-03-26 17:45:56,885 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:56,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 267 transitions, 4148 flow [2021-03-26 17:45:56,885 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 267 transitions, 4148 flow [2021-03-26 17:45:56,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 267 transitions, 4148 flow [2021-03-26 17:45:56,938 INFO L129 PetriNetUnfolder]: 272/586 cut-off events. [2021-03-26 17:45:56,938 INFO L130 PetriNetUnfolder]: For 6507/6667 co-relation queries the response was YES. [2021-03-26 17:45:56,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4626 conditions, 586 events. 272/586 cut-off events. For 6507/6667 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3457 event pairs, 13 based on Foata normal form. 10/579 useless extension candidates. Maximal degree in co-relation 4550. Up to 325 conditions per place. [2021-03-26 17:45:56,945 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-26 17:45:56,957 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:56,957 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:56,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-03-26 17:45:56,958 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 267 transitions, 4148 flow [2021-03-26 17:45:56,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:56,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:56,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:56,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 17:45:56,958 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:56,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:56,959 INFO L82 PathProgramCache]: Analyzing trace with hash 2132807391, now seen corresponding path program 1 times [2021-03-26 17:45:56,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:56,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400447992] [2021-03-26 17:45:56,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:56,974 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:56,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:56,979 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:56,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:56,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:56,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:56,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:57,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:57,018 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:45:57,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:45:57,023 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:57,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:57,050 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:57,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:57,079 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 17:45:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:45:57,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:57,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:57,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400447992] [2021-03-26 17:45:57,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:57,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:45:57,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869221142] [2021-03-26 17:45:57,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:45:57,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:57,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:45:57,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:45:57,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 101 [2021-03-26 17:45:57,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 267 transitions, 4148 flow. Second operand has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:57,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:57,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 101 [2021-03-26 17:45:57,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:57,501 INFO L129 PetriNetUnfolder]: 483/874 cut-off events. [2021-03-26 17:45:57,501 INFO L130 PetriNetUnfolder]: For 11298/11331 co-relation queries the response was YES. [2021-03-26 17:45:57,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7389 conditions, 874 events. 483/874 cut-off events. For 11298/11331 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4536 event pairs, 89 based on Foata normal form. 16/887 useless extension candidates. Maximal degree in co-relation 7311. Up to 714 conditions per place. [2021-03-26 17:45:57,511 INFO L132 encePairwiseOnDemand]: 72/101 looper letters, 152 selfloop transitions, 119 changer transitions 2/281 dead transitions. [2021-03-26 17:45:57,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 281 transitions, 4885 flow [2021-03-26 17:45:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 17:45:57,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 17:45:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 323 transitions. [2021-03-26 17:45:57,513 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35533553355335534 [2021-03-26 17:45:57,513 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 323 transitions. [2021-03-26 17:45:57,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 323 transitions. [2021-03-26 17:45:57,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:57,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 323 transitions. [2021-03-26 17:45:57,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 35.888888888888886) internal successors, (323), 9 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:57,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:57,515 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:57,515 INFO L185 Difference]: Start difference. First operand has 197 places, 267 transitions, 4148 flow. Second operand 9 states and 323 transitions. [2021-03-26 17:45:57,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 281 transitions, 4885 flow [2021-03-26 17:45:57,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 281 transitions, 4623 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-26 17:45:57,585 INFO L241 Difference]: Finished difference. Result has 200 places, 271 transitions, 4262 flow [2021-03-26 17:45:57,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=3892, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4262, PETRI_PLACES=200, PETRI_TRANSITIONS=271} [2021-03-26 17:45:57,586 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 161 predicate places. [2021-03-26 17:45:57,586 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:57,586 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 271 transitions, 4262 flow [2021-03-26 17:45:57,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 271 transitions, 4262 flow [2021-03-26 17:45:57,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 271 transitions, 4262 flow [2021-03-26 17:45:57,649 INFO L129 PetriNetUnfolder]: 254/557 cut-off events. [2021-03-26 17:45:57,649 INFO L130 PetriNetUnfolder]: For 6281/6424 co-relation queries the response was YES. [2021-03-26 17:45:57,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4474 conditions, 557 events. 254/557 cut-off events. For 6281/6424 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3295 event pairs, 10 based on Foata normal form. 10/557 useless extension candidates. Maximal degree in co-relation 4383. Up to 301 conditions per place. [2021-03-26 17:45:57,658 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-26 17:45:57,725 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 17:45:57,725 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:45:57,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-03-26 17:45:57,726 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 271 transitions, 4267 flow [2021-03-26 17:45:57,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:57,727 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:57,727 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:57,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 17:45:57,727 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:57,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:57,727 INFO L82 PathProgramCache]: Analyzing trace with hash -2357899, now seen corresponding path program 2 times [2021-03-26 17:45:57,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:57,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048898067] [2021-03-26 17:45:57,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:57,751 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:57,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:57,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:57,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:57,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:57,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:57,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:57,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:57,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:57,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:57,798 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:57,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:57,827 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:57,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:57,860 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 17:45:57,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:45:57,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:57,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:57,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:57,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048898067] [2021-03-26 17:45:57,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:57,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:45:57,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149228316] [2021-03-26 17:45:57,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:45:57,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:57,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:45:57,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:45:57,870 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 17:45:57,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 271 transitions, 4267 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:57,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:57,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 17:45:57,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:58,356 INFO L129 PetriNetUnfolder]: 482/873 cut-off events. [2021-03-26 17:45:58,356 INFO L130 PetriNetUnfolder]: For 11445/11473 co-relation queries the response was YES. [2021-03-26 17:45:58,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7461 conditions, 873 events. 482/873 cut-off events. For 11445/11473 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4559 event pairs, 89 based on Foata normal form. 11/881 useless extension candidates. Maximal degree in co-relation 7366. Up to 710 conditions per place. [2021-03-26 17:45:58,366 INFO L132 encePairwiseOnDemand]: 72/102 looper letters, 148 selfloop transitions, 121 changer transitions 2/279 dead transitions. [2021-03-26 17:45:58,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 279 transitions, 4919 flow [2021-03-26 17:45:58,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:45:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:45:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 375 transitions. [2021-03-26 17:45:58,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3342245989304813 [2021-03-26 17:45:58,367 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 375 transitions. [2021-03-26 17:45:58,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 375 transitions. [2021-03-26 17:45:58,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:58,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 375 transitions. [2021-03-26 17:45:58,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.09090909090909) internal successors, (375), 11 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:58,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:58,370 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:58,370 INFO L185 Difference]: Start difference. First operand has 200 places, 271 transitions, 4267 flow. Second operand 11 states and 375 transitions. [2021-03-26 17:45:58,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 279 transitions, 4919 flow [2021-03-26 17:45:58,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 279 transitions, 4598 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-03-26 17:45:58,431 INFO L241 Difference]: Finished difference. Result has 204 places, 270 transitions, 4248 flow [2021-03-26 17:45:58,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3948, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4248, PETRI_PLACES=204, PETRI_TRANSITIONS=270} [2021-03-26 17:45:58,432 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 165 predicate places. [2021-03-26 17:45:58,432 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:58,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 270 transitions, 4248 flow [2021-03-26 17:45:58,432 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 270 transitions, 4248 flow [2021-03-26 17:45:58,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 270 transitions, 4248 flow [2021-03-26 17:45:58,481 INFO L129 PetriNetUnfolder]: 264/575 cut-off events. [2021-03-26 17:45:58,481 INFO L130 PetriNetUnfolder]: For 6306/6447 co-relation queries the response was YES. [2021-03-26 17:45:58,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4603 conditions, 575 events. 264/575 cut-off events. For 6306/6447 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3408 event pairs, 11 based on Foata normal form. 9/573 useless extension candidates. Maximal degree in co-relation 4512. Up to 314 conditions per place. [2021-03-26 17:45:58,489 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-26 17:45:58,501 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:58,501 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:58,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-26 17:45:58,502 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 270 transitions, 4248 flow [2021-03-26 17:45:58,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:58,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:58,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:58,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 17:45:58,502 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:58,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:58,503 INFO L82 PathProgramCache]: Analyzing trace with hash 654017482, now seen corresponding path program 1 times [2021-03-26 17:45:58,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:58,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182218862] [2021-03-26 17:45:58,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:58,524 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:58,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:58,529 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:58,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:58,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:58,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:58,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:58,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:58,556 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:45:58,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:45:58,561 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:58,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:58,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:58,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:58,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:58,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:58,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:58,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:58,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182218862] [2021-03-26 17:45:58,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:58,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:45:58,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124404450] [2021-03-26 17:45:58,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:45:58,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:58,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:45:58,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:45:58,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 17:45:58,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 270 transitions, 4248 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:58,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:58,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 17:45:58,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:59,051 INFO L129 PetriNetUnfolder]: 481/873 cut-off events. [2021-03-26 17:45:59,051 INFO L130 PetriNetUnfolder]: For 11655/11683 co-relation queries the response was YES. [2021-03-26 17:45:59,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7471 conditions, 873 events. 481/873 cut-off events. For 11655/11683 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4571 event pairs, 87 based on Foata normal form. 11/881 useless extension candidates. Maximal degree in co-relation 7376. Up to 686 conditions per place. [2021-03-26 17:45:59,060 INFO L132 encePairwiseOnDemand]: 71/102 looper letters, 140 selfloop transitions, 131 changer transitions 2/281 dead transitions. [2021-03-26 17:45:59,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 281 transitions, 4962 flow [2021-03-26 17:45:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:45:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:45:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 350 transitions. [2021-03-26 17:45:59,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3431372549019608 [2021-03-26 17:45:59,077 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 350 transitions. [2021-03-26 17:45:59,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 350 transitions. [2021-03-26 17:45:59,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:59,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 350 transitions. [2021-03-26 17:45:59,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 35.0) internal successors, (350), 10 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:59,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:59,079 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:59,079 INFO L185 Difference]: Start difference. First operand has 204 places, 270 transitions, 4248 flow. Second operand 10 states and 350 transitions. [2021-03-26 17:45:59,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 281 transitions, 4962 flow [2021-03-26 17:45:59,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 281 transitions, 4670 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-26 17:45:59,169 INFO L241 Difference]: Finished difference. Result has 203 places, 271 transitions, 4268 flow [2021-03-26 17:45:59,169 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3956, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4268, PETRI_PLACES=203, PETRI_TRANSITIONS=271} [2021-03-26 17:45:59,169 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 164 predicate places. [2021-03-26 17:45:59,169 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:59,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 271 transitions, 4268 flow [2021-03-26 17:45:59,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 271 transitions, 4268 flow [2021-03-26 17:45:59,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 271 transitions, 4268 flow [2021-03-26 17:45:59,232 INFO L129 PetriNetUnfolder]: 272/583 cut-off events. [2021-03-26 17:45:59,232 INFO L130 PetriNetUnfolder]: For 6828/7003 co-relation queries the response was YES. [2021-03-26 17:45:59,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4709 conditions, 583 events. 272/583 cut-off events. For 6828/7003 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3404 event pairs, 13 based on Foata normal form. 9/575 useless extension candidates. Maximal degree in co-relation 4633. Up to 325 conditions per place. [2021-03-26 17:45:59,241 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-26 17:45:59,257 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:59,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:59,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-03-26 17:45:59,259 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 271 transitions, 4268 flow [2021-03-26 17:45:59,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:59,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:59,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:59,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 17:45:59,259 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:59,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:59,260 INFO L82 PathProgramCache]: Analyzing trace with hash 603788910, now seen corresponding path program 1 times [2021-03-26 17:45:59,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:59,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433946368] [2021-03-26 17:45:59,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:59,278 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:59,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:59,282 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:59,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:59,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:59,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:59,310 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:45:59,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:45:59,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:59,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:59,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:59,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:59,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:59,340 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:59,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:59,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433946368] [2021-03-26 17:45:59,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:59,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:45:59,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606872345] [2021-03-26 17:45:59,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:45:59,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:59,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:45:59,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:45:59,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 17:45:59,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 271 transitions, 4268 flow. Second operand has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:59,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:59,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 17:45:59,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:45:59,651 INFO L129 PetriNetUnfolder]: 480/877 cut-off events. [2021-03-26 17:45:59,651 INFO L130 PetriNetUnfolder]: For 11839/11854 co-relation queries the response was YES. [2021-03-26 17:45:59,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7528 conditions, 877 events. 480/877 cut-off events. For 11839/11854 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4642 event pairs, 78 based on Foata normal form. 9/883 useless extension candidates. Maximal degree in co-relation 7450. Up to 770 conditions per place. [2021-03-26 17:45:59,660 INFO L132 encePairwiseOnDemand]: 82/102 looper letters, 218 selfloop transitions, 54 changer transitions 2/282 dead transitions. [2021-03-26 17:45:59,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 282 transitions, 4934 flow [2021-03-26 17:45:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 17:45:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 17:45:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 309 transitions. [2021-03-26 17:45:59,672 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3366013071895425 [2021-03-26 17:45:59,673 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 309 transitions. [2021-03-26 17:45:59,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 309 transitions. [2021-03-26 17:45:59,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:45:59,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 309 transitions. [2021-03-26 17:45:59,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 34.333333333333336) internal successors, (309), 9 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:59,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:59,674 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 102.0) internal successors, (1020), 10 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:59,674 INFO L185 Difference]: Start difference. First operand has 201 places, 271 transitions, 4268 flow. Second operand 9 states and 309 transitions. [2021-03-26 17:45:59,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 282 transitions, 4934 flow [2021-03-26 17:45:59,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 282 transitions, 4662 flow, removed 13 selfloop flow, removed 8 redundant places. [2021-03-26 17:45:59,745 INFO L241 Difference]: Finished difference. Result has 204 places, 273 transitions, 4149 flow [2021-03-26 17:45:59,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4000, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4149, PETRI_PLACES=204, PETRI_TRANSITIONS=273} [2021-03-26 17:45:59,746 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 165 predicate places. [2021-03-26 17:45:59,746 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:45:59,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 273 transitions, 4149 flow [2021-03-26 17:45:59,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 273 transitions, 4149 flow [2021-03-26 17:45:59,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 273 transitions, 4149 flow [2021-03-26 17:45:59,807 INFO L129 PetriNetUnfolder]: 264/583 cut-off events. [2021-03-26 17:45:59,807 INFO L130 PetriNetUnfolder]: For 6450/6613 co-relation queries the response was YES. [2021-03-26 17:45:59,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4581 conditions, 583 events. 264/583 cut-off events. For 6450/6613 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3486 event pairs, 11 based on Foata normal form. 8/578 useless extension candidates. Maximal degree in co-relation 4504. Up to 315 conditions per place. [2021-03-26 17:45:59,816 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-26 17:45:59,832 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:45:59,832 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:45:59,832 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 86 [2021-03-26 17:45:59,833 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 273 transitions, 4149 flow [2021-03-26 17:45:59,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:45:59,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:45:59,833 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:45:59,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 17:45:59,833 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:45:59,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:45:59,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1527758162, now seen corresponding path program 2 times [2021-03-26 17:45:59,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:45:59,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674869034] [2021-03-26 17:45:59,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:45:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:45:59,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:45:59,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:45:59,859 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:45:59,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:45:59,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:59,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:45:59,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:59,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:45:59,888 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:45:59,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:45:59,898 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:45:59,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:45:59,924 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:45:59,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:45:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:45:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:45:59,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:45:59,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:45:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:45:59,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674869034] [2021-03-26 17:45:59,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:45:59,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:45:59,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593787640] [2021-03-26 17:45:59,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:45:59,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:45:59,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:45:59,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:45:59,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 17:45:59,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 273 transitions, 4149 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:45:59,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:45:59,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 17:45:59,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:00,423 INFO L129 PetriNetUnfolder]: 479/877 cut-off events. [2021-03-26 17:46:00,423 INFO L130 PetriNetUnfolder]: For 11620/11648 co-relation queries the response was YES. [2021-03-26 17:46:00,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7405 conditions, 877 events. 479/877 cut-off events. For 11620/11648 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4667 event pairs, 90 based on Foata normal form. 11/885 useless extension candidates. Maximal degree in co-relation 7326. Up to 713 conditions per place. [2021-03-26 17:46:00,433 INFO L132 encePairwiseOnDemand]: 72/102 looper letters, 151 selfloop transitions, 115 changer transitions 8/282 dead transitions. [2021-03-26 17:46:00,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 282 transitions, 4809 flow [2021-03-26 17:46:00,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:46:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:46:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 344 transitions. [2021-03-26 17:46:00,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33725490196078434 [2021-03-26 17:46:00,453 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 344 transitions. [2021-03-26 17:46:00,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 344 transitions. [2021-03-26 17:46:00,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:00,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 344 transitions. [2021-03-26 17:46:00,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.4) internal successors, (344), 10 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:00,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:00,455 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:00,455 INFO L185 Difference]: Start difference. First operand has 202 places, 273 transitions, 4149 flow. Second operand 10 states and 344 transitions. [2021-03-26 17:46:00,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 282 transitions, 4809 flow [2021-03-26 17:46:00,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 282 transitions, 4691 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-03-26 17:46:00,524 INFO L241 Difference]: Finished difference. Result has 207 places, 269 transitions, 4265 flow [2021-03-26 17:46:00,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4031, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4265, PETRI_PLACES=207, PETRI_TRANSITIONS=269} [2021-03-26 17:46:00,525 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-26 17:46:00,525 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:00,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 269 transitions, 4265 flow [2021-03-26 17:46:00,525 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 269 transitions, 4265 flow [2021-03-26 17:46:00,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 269 transitions, 4265 flow [2021-03-26 17:46:00,579 INFO L129 PetriNetUnfolder]: 257/563 cut-off events. [2021-03-26 17:46:00,579 INFO L130 PetriNetUnfolder]: For 6939/7080 co-relation queries the response was YES. [2021-03-26 17:46:00,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4562 conditions, 563 events. 257/563 cut-off events. For 6939/7080 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3324 event pairs, 12 based on Foata normal form. 10/564 useless extension candidates. Maximal degree in co-relation 4484. Up to 306 conditions per place. [2021-03-26 17:46:00,585 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-26 17:46:00,596 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:00,596 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:00,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-26 17:46:00,596 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 269 transitions, 4265 flow [2021-03-26 17:46:00,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:00,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:00,597 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:00,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 17:46:00,597 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:00,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:00,597 INFO L82 PathProgramCache]: Analyzing trace with hash 50437675, now seen corresponding path program 3 times [2021-03-26 17:46:00,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:00,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019795849] [2021-03-26 17:46:00,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:00,610 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:00,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:00,615 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:00,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:00,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:00,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:00,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:00,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:00,643 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:00,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:00,647 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:46:00,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:00,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:00,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:00,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:00,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:00,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019795849] [2021-03-26 17:46:00,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:00,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:00,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621048276] [2021-03-26 17:46:00,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:00,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:00,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:00,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:00,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 17:46:00,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 269 transitions, 4265 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:00,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:00,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 17:46:00,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:01,055 INFO L129 PetriNetUnfolder]: 495/899 cut-off events. [2021-03-26 17:46:01,055 INFO L130 PetriNetUnfolder]: For 12372/12395 co-relation queries the response was YES. [2021-03-26 17:46:01,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7748 conditions, 899 events. 495/899 cut-off events. For 12372/12395 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4763 event pairs, 82 based on Foata normal form. 14/911 useless extension candidates. Maximal degree in co-relation 7668. Up to 767 conditions per place. [2021-03-26 17:46:01,065 INFO L132 encePairwiseOnDemand]: 82/102 looper letters, 213 selfloop transitions, 64 changer transitions 3/288 dead transitions. [2021-03-26 17:46:01,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 288 transitions, 5050 flow [2021-03-26 17:46:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:46:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:46:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 342 transitions. [2021-03-26 17:46:01,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3352941176470588 [2021-03-26 17:46:01,066 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 342 transitions. [2021-03-26 17:46:01,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 342 transitions. [2021-03-26 17:46:01,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:01,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 342 transitions. [2021-03-26 17:46:01,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.2) internal successors, (342), 10 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:01,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:01,068 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:01,069 INFO L185 Difference]: Start difference. First operand has 203 places, 269 transitions, 4265 flow. Second operand 10 states and 342 transitions. [2021-03-26 17:46:01,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 288 transitions, 5050 flow [2021-03-26 17:46:01,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 288 transitions, 4702 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 17:46:01,127 INFO L241 Difference]: Finished difference. Result has 203 places, 276 transitions, 4188 flow [2021-03-26 17:46:01,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3917, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4188, PETRI_PLACES=203, PETRI_TRANSITIONS=276} [2021-03-26 17:46:01,127 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 164 predicate places. [2021-03-26 17:46:01,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:01,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 276 transitions, 4188 flow [2021-03-26 17:46:01,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 276 transitions, 4188 flow [2021-03-26 17:46:01,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 276 transitions, 4188 flow [2021-03-26 17:46:01,177 INFO L129 PetriNetUnfolder]: 279/609 cut-off events. [2021-03-26 17:46:01,177 INFO L130 PetriNetUnfolder]: For 7897/8087 co-relation queries the response was YES. [2021-03-26 17:46:01,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4911 conditions, 609 events. 279/609 cut-off events. For 7897/8087 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3585 event pairs, 11 based on Foata normal form. 11/611 useless extension candidates. Maximal degree in co-relation 4834. Up to 334 conditions per place. [2021-03-26 17:46:01,209 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-26 17:46:01,220 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:01,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:01,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-03-26 17:46:01,221 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 276 transitions, 4188 flow [2021-03-26 17:46:01,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:01,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:01,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:01,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 17:46:01,221 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:01,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:01,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1217598247, now seen corresponding path program 4 times [2021-03-26 17:46:01,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:01,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257643540] [2021-03-26 17:46:01,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:01,235 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:01,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:01,239 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:01,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:01,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:01,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:01,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:01,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:01,266 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:01,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:01,273 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:01,292 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:01,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:01,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:01,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:01,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:01,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:01,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257643540] [2021-03-26 17:46:01,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:01,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:01,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294626670] [2021-03-26 17:46:01,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:01,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:01,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:01,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:01,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 17:46:01,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 276 transitions, 4188 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:01,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:01,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 17:46:01,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:01,660 INFO L129 PetriNetUnfolder]: 494/899 cut-off events. [2021-03-26 17:46:01,660 INFO L130 PetriNetUnfolder]: For 12903/12931 co-relation queries the response was YES. [2021-03-26 17:46:01,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7785 conditions, 899 events. 494/899 cut-off events. For 12903/12931 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4785 event pairs, 73 based on Foata normal form. 11/907 useless extension candidates. Maximal degree in co-relation 7706. Up to 794 conditions per place. [2021-03-26 17:46:01,668 INFO L132 encePairwiseOnDemand]: 83/102 looper letters, 225 selfloop transitions, 49 changer transitions 3/285 dead transitions. [2021-03-26 17:46:01,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 285 transitions, 4856 flow [2021-03-26 17:46:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:01,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 359 transitions. [2021-03-26 17:46:01,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31996434937611407 [2021-03-26 17:46:01,669 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 359 transitions. [2021-03-26 17:46:01,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 359 transitions. [2021-03-26 17:46:01,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:01,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 359 transitions. [2021-03-26 17:46:01,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.63636363636363) internal successors, (359), 11 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:01,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:01,677 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 102.0) internal successors, (1224), 12 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:01,677 INFO L185 Difference]: Start difference. First operand has 201 places, 276 transitions, 4188 flow. Second operand 11 states and 359 transitions. [2021-03-26 17:46:01,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 285 transitions, 4856 flow [2021-03-26 17:46:01,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 285 transitions, 4697 flow, removed 29 selfloop flow, removed 7 redundant places. [2021-03-26 17:46:01,729 INFO L241 Difference]: Finished difference. Result has 207 places, 275 transitions, 4127 flow [2021-03-26 17:46:01,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4040, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4127, PETRI_PLACES=207, PETRI_TRANSITIONS=275} [2021-03-26 17:46:01,729 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-26 17:46:01,729 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:01,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 275 transitions, 4127 flow [2021-03-26 17:46:01,730 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 275 transitions, 4127 flow [2021-03-26 17:46:01,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 275 transitions, 4127 flow [2021-03-26 17:46:01,781 INFO L129 PetriNetUnfolder]: 281/607 cut-off events. [2021-03-26 17:46:01,781 INFO L130 PetriNetUnfolder]: For 7281/7481 co-relation queries the response was YES. [2021-03-26 17:46:01,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4790 conditions, 607 events. 281/607 cut-off events. For 7281/7481 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3578 event pairs, 11 based on Foata normal form. 10/606 useless extension candidates. Maximal degree in co-relation 4712. Up to 327 conditions per place. [2021-03-26 17:46:01,788 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-26 17:46:01,803 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:01,803 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:01,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-26 17:46:01,804 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 275 transitions, 4127 flow [2021-03-26 17:46:01,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:01,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:01,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:01,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 17:46:01,804 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:01,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:01,804 INFO L82 PathProgramCache]: Analyzing trace with hash -749566901, now seen corresponding path program 5 times [2021-03-26 17:46:01,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:01,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274689721] [2021-03-26 17:46:01,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:01,817 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:01,821 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:01,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:01,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:01,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:01,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:01,848 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:01,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:01,853 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:46:01,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:01,871 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:01,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:01,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:01,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:01,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:01,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274689721] [2021-03-26 17:46:01,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:01,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:01,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431499139] [2021-03-26 17:46:01,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:01,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:01,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:01,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:01,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 17:46:01,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 275 transitions, 4127 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:01,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:01,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 17:46:01,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:02,210 INFO L129 PetriNetUnfolder]: 493/896 cut-off events. [2021-03-26 17:46:02,210 INFO L130 PetriNetUnfolder]: For 12082/12110 co-relation queries the response was YES. [2021-03-26 17:46:02,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7582 conditions, 896 events. 493/896 cut-off events. For 12082/12110 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4764 event pairs, 74 based on Foata normal form. 11/904 useless extension candidates. Maximal degree in co-relation 7502. Up to 788 conditions per place. [2021-03-26 17:46:02,218 INFO L132 encePairwiseOnDemand]: 83/102 looper letters, 222 selfloop transitions, 49 changer transitions 4/283 dead transitions. [2021-03-26 17:46:02,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 283 transitions, 4756 flow [2021-03-26 17:46:02,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:46:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:46:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 334 transitions. [2021-03-26 17:46:02,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32745098039215687 [2021-03-26 17:46:02,219 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 334 transitions. [2021-03-26 17:46:02,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 334 transitions. [2021-03-26 17:46:02,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:02,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 334 transitions. [2021-03-26 17:46:02,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 33.4) internal successors, (334), 10 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:02,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:02,221 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 102.0) internal successors, (1122), 11 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:02,221 INFO L185 Difference]: Start difference. First operand has 204 places, 275 transitions, 4127 flow. Second operand 10 states and 334 transitions. [2021-03-26 17:46:02,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 283 transitions, 4756 flow [2021-03-26 17:46:02,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 283 transitions, 4634 flow, removed 4 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:02,305 INFO L241 Difference]: Finished difference. Result has 205 places, 272 transitions, 4066 flow [2021-03-26 17:46:02,305 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=4007, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4066, PETRI_PLACES=205, PETRI_TRANSITIONS=272} [2021-03-26 17:46:02,305 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 166 predicate places. [2021-03-26 17:46:02,306 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:02,306 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 272 transitions, 4066 flow [2021-03-26 17:46:02,306 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 272 transitions, 4066 flow [2021-03-26 17:46:02,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 272 transitions, 4066 flow [2021-03-26 17:46:02,360 INFO L129 PetriNetUnfolder]: 277/603 cut-off events. [2021-03-26 17:46:02,360 INFO L130 PetriNetUnfolder]: For 7345/7556 co-relation queries the response was YES. [2021-03-26 17:46:02,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4759 conditions, 603 events. 277/603 cut-off events. For 7345/7556 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3583 event pairs, 15 based on Foata normal form. 11/600 useless extension candidates. Maximal degree in co-relation 4682. Up to 325 conditions per place. [2021-03-26 17:46:02,366 INFO L142 LiptonReduction]: Number of co-enabled transitions 406 [2021-03-26 17:46:02,378 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:02,378 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:02,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-03-26 17:46:02,378 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 272 transitions, 4066 flow [2021-03-26 17:46:02,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:02,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:02,378 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:02,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 17:46:02,378 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:02,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:02,379 INFO L82 PathProgramCache]: Analyzing trace with hash 47177782, now seen corresponding path program 2 times [2021-03-26 17:46:02,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:02,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893648428] [2021-03-26 17:46:02,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:02,391 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:02,395 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:02,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:02,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:02,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:02,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:02,421 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:02,426 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:02,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:02,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:02,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:02,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:02,472 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:02,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:02,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893648428] [2021-03-26 17:46:02,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:02,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:02,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195444701] [2021-03-26 17:46:02,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:02,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:02,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:02,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:02,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 102 [2021-03-26 17:46:02,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 272 transitions, 4066 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:02,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:02,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 102 [2021-03-26 17:46:02,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:02,824 INFO L129 PetriNetUnfolder]: 494/904 cut-off events. [2021-03-26 17:46:02,825 INFO L130 PetriNetUnfolder]: For 12111/12139 co-relation queries the response was YES. [2021-03-26 17:46:02,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7628 conditions, 904 events. 494/904 cut-off events. For 12111/12139 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4806 event pairs, 71 based on Foata normal form. 11/912 useless extension candidates. Maximal degree in co-relation 7549. Up to 790 conditions per place. [2021-03-26 17:46:02,832 INFO L132 encePairwiseOnDemand]: 82/102 looper letters, 223 selfloop transitions, 52 changer transitions 2/285 dead transitions. [2021-03-26 17:46:02,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 285 transitions, 4821 flow [2021-03-26 17:46:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 388 transitions. [2021-03-26 17:46:02,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31699346405228757 [2021-03-26 17:46:02,833 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 388 transitions. [2021-03-26 17:46:02,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 388 transitions. [2021-03-26 17:46:02,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:02,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 388 transitions. [2021-03-26 17:46:02,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.333333333333336) internal successors, (388), 12 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:02,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:02,836 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 102.0) internal successors, (1326), 13 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:02,836 INFO L185 Difference]: Start difference. First operand has 201 places, 272 transitions, 4066 flow. Second operand 12 states and 388 transitions. [2021-03-26 17:46:02,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 285 transitions, 4821 flow [2021-03-26 17:46:02,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 285 transitions, 4732 flow, removed 3 selfloop flow, removed 9 redundant places. [2021-03-26 17:46:02,883 INFO L241 Difference]: Finished difference. Result has 207 places, 275 transitions, 4181 flow [2021-03-26 17:46:02,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=3979, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4181, PETRI_PLACES=207, PETRI_TRANSITIONS=275} [2021-03-26 17:46:02,883 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-26 17:46:02,883 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:02,883 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 275 transitions, 4181 flow [2021-03-26 17:46:02,883 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 275 transitions, 4181 flow [2021-03-26 17:46:02,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 275 transitions, 4181 flow [2021-03-26 17:46:02,929 INFO L129 PetriNetUnfolder]: 275/605 cut-off events. [2021-03-26 17:46:02,929 INFO L130 PetriNetUnfolder]: For 8078/8277 co-relation queries the response was YES. [2021-03-26 17:46:02,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4849 conditions, 605 events. 275/605 cut-off events. For 8078/8277 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3620 event pairs, 11 based on Foata normal form. 11/605 useless extension candidates. Maximal degree in co-relation 4771. Up to 323 conditions per place. [2021-03-26 17:46:02,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-26 17:46:03,016 INFO L154 LiptonReduction]: Checked pairs total: 63 [2021-03-26 17:46:03,016 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:46:03,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 134 [2021-03-26 17:46:03,017 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 275 transitions, 4209 flow [2021-03-26 17:46:03,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:03,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:03,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:03,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 17:46:03,017 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:03,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:03,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1174380678, now seen corresponding path program 3 times [2021-03-26 17:46:03,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:03,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960945644] [2021-03-26 17:46:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:03,031 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:03,036 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:03,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:03,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:03,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:03,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:03,061 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:03,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:03,066 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:03,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:03,090 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:03,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:03,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:03,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:03,122 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:03,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:03,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960945644] [2021-03-26 17:46:03,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:03,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:03,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551977423] [2021-03-26 17:46:03,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:03,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:03,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:03,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:03,126 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-26 17:46:03,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 275 transitions, 4209 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:03,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:03,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-26 17:46:03,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:03,494 INFO L129 PetriNetUnfolder]: 493/902 cut-off events. [2021-03-26 17:46:03,494 INFO L130 PetriNetUnfolder]: For 13307/13335 co-relation queries the response was YES. [2021-03-26 17:46:03,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7764 conditions, 902 events. 493/902 cut-off events. For 13307/13335 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4804 event pairs, 95 based on Foata normal form. 11/910 useless extension candidates. Maximal degree in co-relation 7684. Up to 795 conditions per place. [2021-03-26 17:46:03,502 INFO L132 encePairwiseOnDemand]: 83/104 looper letters, 220 selfloop transitions, 51 changer transitions 8/287 dead transitions. [2021-03-26 17:46:03,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 287 transitions, 4922 flow [2021-03-26 17:46:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:03,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 361 transitions. [2021-03-26 17:46:03,503 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3155594405594406 [2021-03-26 17:46:03,503 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 361 transitions. [2021-03-26 17:46:03,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 361 transitions. [2021-03-26 17:46:03,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:03,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 361 transitions. [2021-03-26 17:46:03,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.81818181818182) internal successors, (361), 11 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:03,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 104.0) internal successors, (1248), 12 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:03,505 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 104.0) internal successors, (1248), 12 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:03,505 INFO L185 Difference]: Start difference. First operand has 205 places, 275 transitions, 4209 flow. Second operand 11 states and 361 transitions. [2021-03-26 17:46:03,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 287 transitions, 4922 flow [2021-03-26 17:46:03,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 287 transitions, 4726 flow, removed 28 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:03,564 INFO L241 Difference]: Finished difference. Result has 207 places, 275 transitions, 4165 flow [2021-03-26 17:46:03,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4029, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4165, PETRI_PLACES=207, PETRI_TRANSITIONS=275} [2021-03-26 17:46:03,565 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-03-26 17:46:03,565 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:03,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 275 transitions, 4165 flow [2021-03-26 17:46:03,565 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 275 transitions, 4165 flow [2021-03-26 17:46:03,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 275 transitions, 4165 flow [2021-03-26 17:46:03,612 INFO L129 PetriNetUnfolder]: 284/615 cut-off events. [2021-03-26 17:46:03,612 INFO L130 PetriNetUnfolder]: For 8453/8607 co-relation queries the response was YES. [2021-03-26 17:46:03,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4979 conditions, 615 events. 284/615 cut-off events. For 8453/8607 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3671 event pairs, 11 based on Foata normal form. 14/617 useless extension candidates. Maximal degree in co-relation 4901. Up to 328 conditions per place. [2021-03-26 17:46:03,618 INFO L142 LiptonReduction]: Number of co-enabled transitions 402 [2021-03-26 17:46:03,631 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:03,631 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:03,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 17:46:03,632 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 275 transitions, 4165 flow [2021-03-26 17:46:03,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:03,632 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:03,632 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:03,632 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 17:46:03,633 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:03,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:03,633 INFO L82 PathProgramCache]: Analyzing trace with hash 177413540, now seen corresponding path program 1 times [2021-03-26 17:46:03,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:03,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133710991] [2021-03-26 17:46:03,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:03,644 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:03,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:03,648 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:03,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:03,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:03,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:03,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:03,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:03,675 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:03,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:03,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:03,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:03,692 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:03,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:03,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133710991] [2021-03-26 17:46:03,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:03,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 17:46:03,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773753898] [2021-03-26 17:46:03,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 17:46:03,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:03,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 17:46:03,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-26 17:46:03,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-26 17:46:03,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 275 transitions, 4165 flow. Second operand has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:03,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:03,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-26 17:46:03,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:03,951 INFO L129 PetriNetUnfolder]: 490/894 cut-off events. [2021-03-26 17:46:03,951 INFO L130 PetriNetUnfolder]: For 13482/13488 co-relation queries the response was YES. [2021-03-26 17:46:03,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7778 conditions, 894 events. 490/894 cut-off events. For 13482/13488 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4726 event pairs, 98 based on Foata normal form. 4/895 useless extension candidates. Maximal degree in co-relation 7698. Up to 792 conditions per place. [2021-03-26 17:46:03,958 INFO L132 encePairwiseOnDemand]: 85/104 looper letters, 222 selfloop transitions, 47 changer transitions 4/281 dead transitions. [2021-03-26 17:46:03,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 281 transitions, 4780 flow [2021-03-26 17:46:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 17:46:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 17:46:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 251 transitions. [2021-03-26 17:46:03,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3447802197802198 [2021-03-26 17:46:03,959 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 251 transitions. [2021-03-26 17:46:03,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 251 transitions. [2021-03-26 17:46:03,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:03,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 251 transitions. [2021-03-26 17:46:03,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 35.857142857142854) internal successors, (251), 7 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:03,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:03,960 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:03,960 INFO L185 Difference]: Start difference. First operand has 203 places, 275 transitions, 4165 flow. Second operand 7 states and 251 transitions. [2021-03-26 17:46:03,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 281 transitions, 4780 flow [2021-03-26 17:46:04,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 281 transitions, 4620 flow, removed 17 selfloop flow, removed 9 redundant places. [2021-03-26 17:46:04,014 INFO L241 Difference]: Finished difference. Result has 202 places, 273 transitions, 4088 flow [2021-03-26 17:46:04,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4011, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4088, PETRI_PLACES=202, PETRI_TRANSITIONS=273} [2021-03-26 17:46:04,015 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 163 predicate places. [2021-03-26 17:46:04,015 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:04,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 273 transitions, 4088 flow [2021-03-26 17:46:04,015 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 273 transitions, 4088 flow [2021-03-26 17:46:04,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 273 transitions, 4088 flow [2021-03-26 17:46:04,060 INFO L129 PetriNetUnfolder]: 275/604 cut-off events. [2021-03-26 17:46:04,060 INFO L130 PetriNetUnfolder]: For 7785/7926 co-relation queries the response was YES. [2021-03-26 17:46:04,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4779 conditions, 604 events. 275/604 cut-off events. For 7785/7926 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3587 event pairs, 10 based on Foata normal form. 14/609 useless extension candidates. Maximal degree in co-relation 4689. Up to 318 conditions per place. [2021-03-26 17:46:04,066 INFO L142 LiptonReduction]: Number of co-enabled transitions 400 [2021-03-26 17:46:04,074 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:04,075 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:04,075 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-03-26 17:46:04,075 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 273 transitions, 4088 flow [2021-03-26 17:46:04,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 27.285714285714285) internal successors, (191), 7 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:04,075 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:04,075 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:04,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 17:46:04,076 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:04,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:04,076 INFO L82 PathProgramCache]: Analyzing trace with hash 195675351, now seen corresponding path program 1 times [2021-03-26 17:46:04,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:04,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132617894] [2021-03-26 17:46:04,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:04,088 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:04,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:04,092 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:04,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:04,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:04,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:04,118 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:04,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:04,122 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:04,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:04,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:04,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:04,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:04,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:04,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132617894] [2021-03-26 17:46:04,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:04,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:04,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256225561] [2021-03-26 17:46:04,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:04,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:04,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:04,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:04,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 104 [2021-03-26 17:46:04,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 273 transitions, 4088 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:04,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:04,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 104 [2021-03-26 17:46:04,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:04,510 INFO L129 PetriNetUnfolder]: 488/886 cut-off events. [2021-03-26 17:46:04,511 INFO L130 PetriNetUnfolder]: For 12720/12726 co-relation queries the response was YES. [2021-03-26 17:46:04,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7545 conditions, 886 events. 488/886 cut-off events. For 12720/12726 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4615 event pairs, 95 based on Foata normal form. 4/887 useless extension candidates. Maximal degree in co-relation 7455. Up to 787 conditions per place. [2021-03-26 17:46:04,519 INFO L132 encePairwiseOnDemand]: 85/104 looper letters, 220 selfloop transitions, 44 changer transitions 8/280 dead transitions. [2021-03-26 17:46:04,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 280 transitions, 4702 flow [2021-03-26 17:46:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 17:46:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 17:46:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 305 transitions. [2021-03-26 17:46:04,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32585470085470086 [2021-03-26 17:46:04,520 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 305 transitions. [2021-03-26 17:46:04,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 305 transitions. [2021-03-26 17:46:04,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:04,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 305 transitions. [2021-03-26 17:46:04,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 33.888888888888886) internal successors, (305), 9 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:04,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:04,521 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 104.0) internal successors, (1040), 10 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:04,521 INFO L185 Difference]: Start difference. First operand has 201 places, 273 transitions, 4088 flow. Second operand 9 states and 305 transitions. [2021-03-26 17:46:04,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 280 transitions, 4702 flow [2021-03-26 17:46:04,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 280 transitions, 4558 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-26 17:46:04,572 INFO L241 Difference]: Finished difference. Result has 202 places, 268 transitions, 3998 flow [2021-03-26 17:46:04,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=3950, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3998, PETRI_PLACES=202, PETRI_TRANSITIONS=268} [2021-03-26 17:46:04,573 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 163 predicate places. [2021-03-26 17:46:04,573 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:04,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 268 transitions, 3998 flow [2021-03-26 17:46:04,573 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 268 transitions, 3998 flow [2021-03-26 17:46:04,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 268 transitions, 3998 flow [2021-03-26 17:46:04,617 INFO L129 PetriNetUnfolder]: 274/589 cut-off events. [2021-03-26 17:46:04,617 INFO L130 PetriNetUnfolder]: For 7541/7677 co-relation queries the response was YES. [2021-03-26 17:46:04,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4643 conditions, 589 events. 274/589 cut-off events. For 7541/7677 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3419 event pairs, 11 based on Foata normal form. 13/591 useless extension candidates. Maximal degree in co-relation 4520. Up to 318 conditions per place. [2021-03-26 17:46:04,622 INFO L142 LiptonReduction]: Number of co-enabled transitions 396 [2021-03-26 17:46:04,680 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:04,680 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:46:04,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-03-26 17:46:04,680 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 268 transitions, 4003 flow [2021-03-26 17:46:04,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:46:04,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:04,681 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:04,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 17:46:04,681 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:04,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:04,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1339167958, now seen corresponding path program 3 times [2021-03-26 17:46:04,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:04,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980384453] [2021-03-26 17:46:04,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:04,692 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:04,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:04,697 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:04,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:04,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:04,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:04,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:04,737 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:04,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:04,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:04,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:04,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:04,783 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:04,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:04,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:04,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980384453] [2021-03-26 17:46:04,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:04,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:04,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890322908] [2021-03-26 17:46:04,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:04,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:04,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:04,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:04,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-26 17:46:04,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 268 transitions, 4003 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:04,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:04,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-26 17:46:04,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:05,130 INFO L129 PetriNetUnfolder]: 485/875 cut-off events. [2021-03-26 17:46:05,130 INFO L130 PetriNetUnfolder]: For 12160/12188 co-relation queries the response was YES. [2021-03-26 17:46:05,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7395 conditions, 875 events. 485/875 cut-off events. For 12160/12188 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4557 event pairs, 71 based on Foata normal form. 11/883 useless extension candidates. Maximal degree in co-relation 7280. Up to 779 conditions per place. [2021-03-26 17:46:05,138 INFO L132 encePairwiseOnDemand]: 86/105 looper letters, 219 selfloop transitions, 46 changer transitions 2/275 dead transitions. [2021-03-26 17:46:05,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 275 transitions, 4622 flow [2021-03-26 17:46:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 407 transitions. [2021-03-26 17:46:05,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29816849816849816 [2021-03-26 17:46:05,145 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 407 transitions. [2021-03-26 17:46:05,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 407 transitions. [2021-03-26 17:46:05,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:05,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 407 transitions. [2021-03-26 17:46:05,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.307692307692307) internal successors, (407), 13 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,147 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,147 INFO L185 Difference]: Start difference. First operand has 196 places, 268 transitions, 4003 flow. Second operand 13 states and 407 transitions. [2021-03-26 17:46:05,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 275 transitions, 4622 flow [2021-03-26 17:46:05,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 275 transitions, 4436 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:05,196 INFO L241 Difference]: Finished difference. Result has 200 places, 267 transitions, 3903 flow [2021-03-26 17:46:05,196 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3819, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3903, PETRI_PLACES=200, PETRI_TRANSITIONS=267} [2021-03-26 17:46:05,197 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 161 predicate places. [2021-03-26 17:46:05,197 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:05,197 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 267 transitions, 3903 flow [2021-03-26 17:46:05,197 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 267 transitions, 3903 flow [2021-03-26 17:46:05,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 198 places, 267 transitions, 3903 flow [2021-03-26 17:46:05,252 INFO L129 PetriNetUnfolder]: 271/586 cut-off events. [2021-03-26 17:46:05,253 INFO L130 PetriNetUnfolder]: For 6966/7099 co-relation queries the response was YES. [2021-03-26 17:46:05,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4566 conditions, 586 events. 271/586 cut-off events. For 6966/7099 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3430 event pairs, 11 based on Foata normal form. 13/589 useless extension candidates. Maximal degree in co-relation 4492. Up to 316 conditions per place. [2021-03-26 17:46:05,258 INFO L142 LiptonReduction]: Number of co-enabled transitions 392 [2021-03-26 17:46:05,267 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:05,267 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:05,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-26 17:46:05,268 INFO L480 AbstractCegarLoop]: Abstraction has has 198 places, 267 transitions, 3903 flow [2021-03-26 17:46:05,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:05,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:05,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 17:46:05,269 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:05,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:05,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1214745932, now seen corresponding path program 1 times [2021-03-26 17:46:05,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:05,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529655258] [2021-03-26 17:46:05,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:05,280 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:05,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:05,284 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:05,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:05,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:05,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:05,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:05,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:05,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:05,324 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:05,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:05,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:05,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:05,363 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:05,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:05,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529655258] [2021-03-26 17:46:05,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:05,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:05,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394400573] [2021-03-26 17:46:05,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:05,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:05,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:05,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:05,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-26 17:46:05,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 267 transitions, 3903 flow. Second operand has 9 states, 9 states have (on average 27.0) internal successors, (243), 9 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:05,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-26 17:46:05,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:05,653 INFO L129 PetriNetUnfolder]: 484/873 cut-off events. [2021-03-26 17:46:05,654 INFO L130 PetriNetUnfolder]: For 11229/11257 co-relation queries the response was YES. [2021-03-26 17:46:05,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7253 conditions, 873 events. 484/873 cut-off events. For 11229/11257 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4514 event pairs, 97 based on Foata normal form. 11/881 useless extension candidates. Maximal degree in co-relation 7177. Up to 784 conditions per place. [2021-03-26 17:46:05,663 INFO L132 encePairwiseOnDemand]: 88/105 looper letters, 217 selfloop transitions, 43 changer transitions 3/271 dead transitions. [2021-03-26 17:46:05,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 271 transitions, 4458 flow [2021-03-26 17:46:05,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:46:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:46:05,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 325 transitions. [2021-03-26 17:46:05,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2021-03-26 17:46:05,664 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 325 transitions. [2021-03-26 17:46:05,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 325 transitions. [2021-03-26 17:46:05,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:05,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 325 transitions. [2021-03-26 17:46:05,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 32.5) internal successors, (325), 10 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 105.0) internal successors, (1155), 11 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,666 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 105.0) internal successors, (1155), 11 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,666 INFO L185 Difference]: Start difference. First operand has 198 places, 267 transitions, 3903 flow. Second operand 10 states and 325 transitions. [2021-03-26 17:46:05,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 271 transitions, 4458 flow [2021-03-26 17:46:05,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 271 transitions, 4315 flow, removed 18 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:05,711 INFO L241 Difference]: Finished difference. Result has 198 places, 264 transitions, 3814 flow [2021-03-26 17:46:05,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3760, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3814, PETRI_PLACES=198, PETRI_TRANSITIONS=264} [2021-03-26 17:46:05,712 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2021-03-26 17:46:05,712 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:05,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 264 transitions, 3814 flow [2021-03-26 17:46:05,712 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 264 transitions, 3814 flow [2021-03-26 17:46:05,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 264 transitions, 3814 flow [2021-03-26 17:46:05,754 INFO L129 PetriNetUnfolder]: 267/579 cut-off events. [2021-03-26 17:46:05,754 INFO L130 PetriNetUnfolder]: For 6733/6866 co-relation queries the response was YES. [2021-03-26 17:46:05,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4485 conditions, 579 events. 267/579 cut-off events. For 6733/6866 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3348 event pairs, 11 based on Foata normal form. 13/582 useless extension candidates. Maximal degree in co-relation 4411. Up to 312 conditions per place. [2021-03-26 17:46:05,760 INFO L142 LiptonReduction]: Number of co-enabled transitions 386 [2021-03-26 17:46:05,769 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:05,769 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:05,769 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 17:46:05,769 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 264 transitions, 3814 flow [2021-03-26 17:46:05,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.0) internal successors, (243), 9 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:05,770 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:05,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 17:46:05,770 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:05,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:05,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1477172377, now seen corresponding path program 2 times [2021-03-26 17:46:05,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:05,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142547539] [2021-03-26 17:46:05,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:05,782 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:05,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:05,787 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:05,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:05,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:05,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:05,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:05,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:05,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:05,826 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:05,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:05,854 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:05,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:05,881 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:05,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:05,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:05,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:05,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:05,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:05,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142547539] [2021-03-26 17:46:05,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:05,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:05,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698077885] [2021-03-26 17:46:05,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:05,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:05,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:05,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:05,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-26 17:46:05,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 264 transitions, 3814 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:05,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:05,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-26 17:46:05,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:06,454 INFO L129 PetriNetUnfolder]: 485/877 cut-off events. [2021-03-26 17:46:06,454 INFO L130 PetriNetUnfolder]: For 11450/11478 co-relation queries the response was YES. [2021-03-26 17:46:06,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7280 conditions, 877 events. 485/877 cut-off events. For 11450/11478 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4513 event pairs, 94 based on Foata normal form. 11/885 useless extension candidates. Maximal degree in co-relation 7204. Up to 739 conditions per place. [2021-03-26 17:46:06,461 INFO L132 encePairwiseOnDemand]: 80/105 looper letters, 163 selfloop transitions, 100 changer transitions 6/277 dead transitions. [2021-03-26 17:46:06,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 277 transitions, 4564 flow [2021-03-26 17:46:06,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:46:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:46:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 504 transitions. [2021-03-26 17:46:06,473 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3 [2021-03-26 17:46:06,473 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 504 transitions. [2021-03-26 17:46:06,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 504 transitions. [2021-03-26 17:46:06,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:06,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 504 transitions. [2021-03-26 17:46:06,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.5) internal successors, (504), 16 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:06,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:06,476 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:06,476 INFO L185 Difference]: Start difference. First operand has 194 places, 264 transitions, 3814 flow. Second operand 16 states and 504 transitions. [2021-03-26 17:46:06,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 277 transitions, 4564 flow [2021-03-26 17:46:06,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 277 transitions, 4466 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-03-26 17:46:06,534 INFO L241 Difference]: Finished difference. Result has 206 places, 266 transitions, 3974 flow [2021-03-26 17:46:06,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3718, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3974, PETRI_PLACES=206, PETRI_TRANSITIONS=266} [2021-03-26 17:46:06,534 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 167 predicate places. [2021-03-26 17:46:06,535 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:06,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 266 transitions, 3974 flow [2021-03-26 17:46:06,535 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 266 transitions, 3974 flow [2021-03-26 17:46:06,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 266 transitions, 3974 flow [2021-03-26 17:46:06,576 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L30-->thread1EXIT: Formula: (= v_y1_11 v_t11_11) InVars {t11=v_t11_11} OutVars{y1=v_y1_11, t11=v_t11_11} AuxVars[] AssignedVars[y1][250], [Black: 371#(and (< x1 x2) (<= x2 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 255#(not f22), 258#true, Black: 366#(and (= y2 y1) (= x2 x1)), 392#true, 8#L73true, 15#thread1EXITtrue, Black: 646#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 265#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 281#true, Black: 530#(and (= (+ y2 1) y1) (< x1 x2) (<= x2 (+ x1 1))), Black: 531#(and (= (+ y2 1) y1) (= x2 x1)), 156#true, 32#thread2EXITtrue, Black: 411#(and (= y2 y1) (= x2 x1)), Black: 412#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), 674#true, Black: 414#(and (<= x2 (+ x1 2)) (<= y1 y2) (<= y2 y1) (<= (+ x1 2) x2)), 41#L52true, 42#L61true, Black: 288#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 289#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 292#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 296#(and (<= t12 (+ y1 2)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 2) t12)), Black: 161#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 162#(and (= (+ x1 2) x2) (<= t21 y2) (<= y2 t21)), Black: 298#(and (= y2 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 163#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 283#(and (= y2 y1) (= x2 x1)), Black: 164#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 284#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 166#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 285#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 169#(and (= y2 y1) (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 286#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12)), Black: 171#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 287#(and (<= t12 (+ y1 2)) (= x2 x1) (<= (+ y1 2) t12)), Black: 158#(and (= y2 y1) (= x2 x1)), Black: 690#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 692#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 t11) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= t11 y2)), Black: 694#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 t11) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= t11 y2)), Black: 159#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 696#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), 189#true, Black: 681#(and (< x1 x2) (<= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 684#(and (<= y2 t11) (= x2 x1) (<= t11 y2)), Black: 64#(not f12), Black: 321#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 69#(not f11), 72#true, 330#true, Black: 577#(and (= y2 y1) (= x2 x1)), Black: 193#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 194#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 196#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 197#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 198#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 199#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), 223#true, Black: 598#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 336#(and (<= y2 (+ y1 2)) (< x1 x2) (<= x2 (+ x1 1)) (<= (+ y1 2) y2)), Black: 338#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 342#(and (<= y2 (+ y1 2)) (< x1 x2) (<= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= (+ y1 2) y2)), Black: 344#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 364#true, Black: 99#(and (<= y2 (+ y1 2)) (= (+ x1 2) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12) (<= (+ y1 2) y2)), Black: 74#(and (= y2 y1) (= x2 x1)), Black: 75#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 78#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 225#(and (= y2 y1) (= x2 x1)), Black: 497#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 241#(and (< y1 (+ y2 1)) (<= t21 y2) (= x2 (+ x1 1)) (<= y2 t21) (<= y2 y1)), Black: 226#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 228#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 232#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 121#(not f21), Black: 233#(and (< y1 (+ y2 1)) (= x2 (+ x1 1)) (<= y2 y1)), Black: 368#(and (<= (+ y1 1) y2) (<= x2 (+ x1 2)) (<= y2 (+ y1 1)) (<= (+ x1 2) x2)), Black: 369#(and (<= x2 (+ x1 2)) (<= y1 y2) (<= y2 y1) (<= (+ x1 2) x2))]) [2021-03-26 17:46:06,576 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-26 17:46:06,576 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 17:46:06,577 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 17:46:06,577 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 17:46:06,581 INFO L129 PetriNetUnfolder]: 283/596 cut-off events. [2021-03-26 17:46:06,581 INFO L130 PetriNetUnfolder]: For 8953/9089 co-relation queries the response was YES. [2021-03-26 17:46:06,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4869 conditions, 596 events. 283/596 cut-off events. For 8953/9089 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3367 event pairs, 15 based on Foata normal form. 17/600 useless extension candidates. Maximal degree in co-relation 4792. Up to 328 conditions per place. [2021-03-26 17:46:06,590 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-26 17:46:06,603 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:06,603 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:06,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-26 17:46:06,603 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 266 transitions, 3974 flow [2021-03-26 17:46:06,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:06,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:06,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:06,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 17:46:06,604 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:06,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1944054239, now seen corresponding path program 3 times [2021-03-26 17:46:06,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:06,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532345216] [2021-03-26 17:46:06,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:06,621 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:06,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:06,626 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:06,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:06,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:06,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:06,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:06,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:06,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:06,665 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:06,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:06,688 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:06,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:06,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:06,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:06,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:06,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:06,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:06,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532345216] [2021-03-26 17:46:06,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:06,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:06,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528755330] [2021-03-26 17:46:06,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:06,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:06,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:06,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:06,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-26 17:46:06,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 266 transitions, 3974 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:06,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:06,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-26 17:46:06,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:07,182 INFO L129 PetriNetUnfolder]: 482/869 cut-off events. [2021-03-26 17:46:07,182 INFO L130 PetriNetUnfolder]: For 13122/13163 co-relation queries the response was YES. [2021-03-26 17:46:07,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7470 conditions, 869 events. 482/869 cut-off events. For 13122/13163 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4435 event pairs, 102 based on Foata normal form. 12/877 useless extension candidates. Maximal degree in co-relation 7391. Up to 713 conditions per place. [2021-03-26 17:46:07,189 INFO L132 encePairwiseOnDemand]: 79/105 looper letters, 154 selfloop transitions, 104 changer transitions 9/275 dead transitions. [2021-03-26 17:46:07,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 275 transitions, 4639 flow [2021-03-26 17:46:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:46:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:46:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 480 transitions. [2021-03-26 17:46:07,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3047619047619048 [2021-03-26 17:46:07,190 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 480 transitions. [2021-03-26 17:46:07,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 480 transitions. [2021-03-26 17:46:07,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:07,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 480 transitions. [2021-03-26 17:46:07,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:07,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 105.0) internal successors, (1680), 16 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:07,193 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 105.0) internal successors, (1680), 16 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:07,193 INFO L185 Difference]: Start difference. First operand has 202 places, 266 transitions, 3974 flow. Second operand 15 states and 480 transitions. [2021-03-26 17:46:07,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 275 transitions, 4639 flow [2021-03-26 17:46:07,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 275 transitions, 4397 flow, removed 24 selfloop flow, removed 13 redundant places. [2021-03-26 17:46:07,240 INFO L241 Difference]: Finished difference. Result has 206 places, 259 transitions, 3882 flow [2021-03-26 17:46:07,241 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3736, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3882, PETRI_PLACES=206, PETRI_TRANSITIONS=259} [2021-03-26 17:46:07,241 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 167 predicate places. [2021-03-26 17:46:07,241 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:07,241 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 259 transitions, 3882 flow [2021-03-26 17:46:07,241 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 259 transitions, 3882 flow [2021-03-26 17:46:07,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 259 transitions, 3882 flow [2021-03-26 17:46:07,279 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L30-->thread1EXIT: Formula: (= v_y1_11 v_t11_11) InVars {t11=v_t11_11} OutVars{y1=v_y1_11, t11=v_t11_11} AuxVars[] AssignedVars[y1][127], [Black: 371#(and (< x1 x2) (<= x2 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 255#(not f22), 258#true, Black: 366#(and (= y2 y1) (= x2 x1)), 392#true, 8#L73true, 15#thread1EXITtrue, Black: 646#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 265#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 281#true, Black: 530#(and (= (+ y2 1) y1) (< x1 x2) (<= x2 (+ x1 1))), Black: 531#(and (= (+ y2 1) y1) (= x2 x1)), 156#true, 32#thread2EXITtrue, Black: 411#(and (= y2 y1) (= x2 x1)), Black: 412#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 414#(and (<= x2 (+ x1 2)) (<= y1 y2) (<= y2 y1) (<= (+ x1 2) x2)), 41#L52true, 42#L61true, Black: 288#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 289#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 292#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 161#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 296#(and (<= t12 (+ y1 2)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 2) t12)), Black: 162#(and (= (+ x1 2) x2) (<= t21 y2) (<= y2 t21)), Black: 298#(and (= y2 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 163#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 283#(and (= y2 y1) (= x2 x1)), Black: 164#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 284#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 166#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 169#(and (= y2 y1) (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 285#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 286#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12)), Black: 171#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 287#(and (<= t12 (+ y1 2)) (= x2 x1) (<= (+ y1 2) t12)), Black: 690#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 158#(and (= y2 y1) (= x2 x1)), Black: 159#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), 189#true, Black: 681#(and (< x1 x2) (<= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 704#true, Black: 64#(not f12), Black: 69#(not f11), Black: 321#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 72#true, 330#true, Black: 577#(and (= y2 y1) (= x2 x1)), Black: 722#(and (<= (+ y1 1) y2) (<= y2 t11) (<= y2 (+ y1 1)) (= x2 x1) (<= t11 y2)), Black: 193#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 724#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), Black: 194#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 713#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 196#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 197#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 198#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 199#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), 223#true, Black: 598#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 336#(and (<= y2 (+ y1 2)) (< x1 x2) (<= x2 (+ x1 1)) (<= (+ y1 2) y2)), Black: 338#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 342#(and (<= y2 (+ y1 2)) (< x1 x2) (<= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= (+ y1 2) y2)), Black: 344#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 364#true, Black: 99#(and (<= y2 (+ y1 2)) (= (+ x1 2) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12) (<= (+ y1 2) y2)), Black: 74#(and (= y2 y1) (= x2 x1)), Black: 75#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 78#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 225#(and (= y2 y1) (= x2 x1)), Black: 241#(and (< y1 (+ y2 1)) (<= t21 y2) (= x2 (+ x1 1)) (<= y2 t21) (<= y2 y1)), Black: 497#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 226#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 228#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 232#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 121#(not f21), Black: 233#(and (< y1 (+ y2 1)) (= x2 (+ x1 1)) (<= y2 y1)), Black: 368#(and (<= (+ y1 1) y2) (<= x2 (+ x1 2)) (<= y2 (+ y1 1)) (<= (+ x1 2) x2)), Black: 369#(and (<= x2 (+ x1 2)) (<= y1 y2) (<= y2 y1) (<= (+ x1 2) x2))]) [2021-03-26 17:46:07,279 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-26 17:46:07,279 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 17:46:07,279 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 17:46:07,279 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 17:46:07,290 INFO L129 PetriNetUnfolder]: 283/591 cut-off events. [2021-03-26 17:46:07,291 INFO L130 PetriNetUnfolder]: For 8239/8411 co-relation queries the response was YES. [2021-03-26 17:46:07,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4818 conditions, 591 events. 283/591 cut-off events. For 8239/8411 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3343 event pairs, 15 based on Foata normal form. 12/590 useless extension candidates. Maximal degree in co-relation 4742. Up to 326 conditions per place. [2021-03-26 17:46:07,296 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-26 17:46:07,304 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:07,304 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:07,305 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-03-26 17:46:07,305 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 259 transitions, 3882 flow [2021-03-26 17:46:07,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:07,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:07,305 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:07,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 17:46:07,305 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:07,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:07,305 INFO L82 PathProgramCache]: Analyzing trace with hash -492994473, now seen corresponding path program 4 times [2021-03-26 17:46:07,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:07,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830093258] [2021-03-26 17:46:07,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:07,317 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:07,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:07,321 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:07,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:07,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:07,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:07,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:07,348 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:07,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:07,372 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:07,398 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:07,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:07,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:07,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:07,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:07,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:07,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:07,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:07,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830093258] [2021-03-26 17:46:07,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:07,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:07,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491652718] [2021-03-26 17:46:07,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:07,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:07,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:07,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:07,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 105 [2021-03-26 17:46:07,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 259 transitions, 3882 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:07,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:07,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 105 [2021-03-26 17:46:07,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:07,984 INFO L129 PetriNetUnfolder]: 486/881 cut-off events. [2021-03-26 17:46:07,984 INFO L130 PetriNetUnfolder]: For 13073/13106 co-relation queries the response was YES. [2021-03-26 17:46:07,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7580 conditions, 881 events. 486/881 cut-off events. For 13073/13106 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4506 event pairs, 95 based on Foata normal form. 17/895 useless extension candidates. Maximal degree in co-relation 7502. Up to 697 conditions per place. [2021-03-26 17:46:07,992 INFO L132 encePairwiseOnDemand]: 79/105 looper letters, 135 selfloop transitions, 126 changer transitions 10/279 dead transitions. [2021-03-26 17:46:07,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 279 transitions, 4798 flow [2021-03-26 17:46:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 439 transitions. [2021-03-26 17:46:07,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32161172161172163 [2021-03-26 17:46:07,994 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 439 transitions. [2021-03-26 17:46:07,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 439 transitions. [2021-03-26 17:46:07,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:07,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 439 transitions. [2021-03-26 17:46:07,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.76923076923077) internal successors, (439), 13 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:07,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:07,995 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:07,995 INFO L185 Difference]: Start difference. First operand has 196 places, 259 transitions, 3882 flow. Second operand 13 states and 439 transitions. [2021-03-26 17:46:07,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 279 transitions, 4798 flow [2021-03-26 17:46:08,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 279 transitions, 4509 flow, removed 12 selfloop flow, removed 15 redundant places. [2021-03-26 17:46:08,047 INFO L241 Difference]: Finished difference. Result has 196 places, 261 transitions, 4034 flow [2021-03-26 17:46:08,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=3607, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4034, PETRI_PLACES=196, PETRI_TRANSITIONS=261} [2021-03-26 17:46:08,047 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 157 predicate places. [2021-03-26 17:46:08,047 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:08,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 261 transitions, 4034 flow [2021-03-26 17:46:08,047 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 261 transitions, 4034 flow [2021-03-26 17:46:08,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 196 places, 261 transitions, 4034 flow [2021-03-26 17:46:08,089 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L30-->thread1EXIT: Formula: (= v_y1_11 v_t11_11) InVars {t11=v_t11_11} OutVars{y1=v_y1_11, t11=v_t11_11} AuxVars[] AssignedVars[y1][162], [Black: 371#(and (< x1 x2) (<= x2 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 255#(not f22), 258#true, Black: 366#(and (= y2 y1) (= x2 x1)), 392#true, 8#L73true, 15#thread1EXITtrue, Black: 646#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 265#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 281#true, Black: 530#(and (= (+ y2 1) y1) (< x1 x2) (<= x2 (+ x1 1))), Black: 531#(and (= (+ y2 1) y1) (= x2 x1)), 156#true, 32#thread2EXITtrue, Black: 411#(and (= y2 y1) (= x2 x1)), Black: 412#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 414#(and (<= x2 (+ x1 2)) (<= y1 y2) (<= y2 y1) (<= (+ x1 2) x2)), 41#L52true, 42#L61true, Black: 288#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 289#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 292#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 161#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 296#(and (<= t12 (+ y1 2)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 2) t12)), Black: 162#(and (= (+ x1 2) x2) (<= t21 y2) (<= y2 t21)), Black: 298#(and (= y2 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 163#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 283#(and (= y2 y1) (= x2 x1)), Black: 164#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 284#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 166#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 169#(and (= y2 y1) (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 285#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 286#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12)), Black: 171#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 287#(and (<= t12 (+ y1 2)) (= x2 x1) (<= (+ y1 2) t12)), Black: 690#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 158#(and (= y2 y1) (= x2 x1)), Black: 159#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), 189#true, Black: 64#(not f12), Black: 69#(not f11), 72#true, 330#true, Black: 577#(and (= y2 y1) (= x2 x1)), Black: 193#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 194#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), 729#true, Black: 196#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 197#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 198#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 199#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), 223#true, Black: 598#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 336#(and (<= y2 (+ y1 2)) (< x1 x2) (<= x2 (+ x1 1)) (<= (+ y1 2) y2)), Black: 338#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 342#(and (<= y2 (+ y1 2)) (< x1 x2) (<= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= (+ y1 2) y2)), Black: 344#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 364#true, Black: 738#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 747#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), Black: 731#(and (= y2 y1) (= x2 x1)), Black: 99#(and (<= y2 (+ y1 2)) (= (+ x1 2) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12) (<= (+ y1 2) y2)), Black: 74#(and (= y2 y1) (= x2 x1)), Black: 75#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 78#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 225#(and (= y2 y1) (= x2 x1)), Black: 497#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 241#(and (< y1 (+ y2 1)) (<= t21 y2) (= x2 (+ x1 1)) (<= y2 t21) (<= y2 y1)), Black: 226#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 228#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 121#(not f21), Black: 232#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 233#(and (< y1 (+ y2 1)) (= x2 (+ x1 1)) (<= y2 y1)), Black: 368#(and (<= (+ y1 1) y2) (<= x2 (+ x1 2)) (<= y2 (+ y1 1)) (<= (+ x1 2) x2)), Black: 369#(and (<= x2 (+ x1 2)) (<= y1 y2) (<= y2 y1) (<= (+ x1 2) x2))]) [2021-03-26 17:46:08,089 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-26 17:46:08,089 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 17:46:08,089 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 17:46:08,089 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 17:46:08,095 INFO L129 PetriNetUnfolder]: 292/616 cut-off events. [2021-03-26 17:46:08,095 INFO L130 PetriNetUnfolder]: For 9266/9398 co-relation queries the response was YES. [2021-03-26 17:46:08,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5138 conditions, 616 events. 292/616 cut-off events. For 9266/9398 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3471 event pairs, 17 based on Foata normal form. 18/617 useless extension candidates. Maximal degree in co-relation 5015. Up to 341 conditions per place. [2021-03-26 17:46:08,102 INFO L142 LiptonReduction]: Number of co-enabled transitions 384 [2021-03-26 17:46:08,157 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:08,157 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:46:08,157 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 17:46:08,157 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 261 transitions, 4051 flow [2021-03-26 17:46:08,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:08,158 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:08,158 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:08,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 17:46:08,158 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:08,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:08,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1650283492, now seen corresponding path program 1 times [2021-03-26 17:46:08,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:08,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036631690] [2021-03-26 17:46:08,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:08,170 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:08,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:08,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:08,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:08,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:08,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:08,215 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:08,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:08,239 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:08,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:08,263 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:08,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:08,285 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:08,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:08,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:08,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036631690] [2021-03-26 17:46:08,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:08,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:08,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66505109] [2021-03-26 17:46:08,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:08,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:08,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:08,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:08,296 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 107 [2021-03-26 17:46:08,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 261 transitions, 4051 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:08,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:08,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 107 [2021-03-26 17:46:08,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:08,667 INFO L129 PetriNetUnfolder]: 490/890 cut-off events. [2021-03-26 17:46:08,668 INFO L130 PetriNetUnfolder]: For 13539/13567 co-relation queries the response was YES. [2021-03-26 17:46:08,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7789 conditions, 890 events. 490/890 cut-off events. For 13539/13567 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4635 event pairs, 95 based on Foata normal form. 11/898 useless extension candidates. Maximal degree in co-relation 7649. Up to 796 conditions per place. [2021-03-26 17:46:08,676 INFO L132 encePairwiseOnDemand]: 89/107 looper letters, 224 selfloop transitions, 45 changer transitions 2/279 dead transitions. [2021-03-26 17:46:08,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 279 transitions, 4853 flow [2021-03-26 17:46:08,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 356 transitions. [2021-03-26 17:46:08,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30246389124893797 [2021-03-26 17:46:08,677 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 356 transitions. [2021-03-26 17:46:08,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 356 transitions. [2021-03-26 17:46:08,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:08,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 356 transitions. [2021-03-26 17:46:08,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.36363636363637) internal successors, (356), 11 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:08,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:08,679 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:08,679 INFO L185 Difference]: Start difference. First operand has 196 places, 261 transitions, 4051 flow. Second operand 11 states and 356 transitions. [2021-03-26 17:46:08,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 279 transitions, 4853 flow [2021-03-26 17:46:08,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 279 transitions, 4431 flow, removed 80 selfloop flow, removed 14 redundant places. [2021-03-26 17:46:08,735 INFO L241 Difference]: Finished difference. Result has 198 places, 272 transitions, 3962 flow [2021-03-26 17:46:08,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=3641, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3962, PETRI_PLACES=198, PETRI_TRANSITIONS=272} [2021-03-26 17:46:08,735 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2021-03-26 17:46:08,736 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:08,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 272 transitions, 3962 flow [2021-03-26 17:46:08,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 272 transitions, 3962 flow [2021-03-26 17:46:08,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 272 transitions, 3962 flow [2021-03-26 17:46:08,779 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([125] L30-->thread1EXIT: Formula: (= v_y1_11 v_t11_11) InVars {t11=v_t11_11} OutVars{y1=v_y1_11, t11=v_t11_11} AuxVars[] AssignedVars[y1][9], [Black: 371#(and (< x1 x2) (<= x2 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ y1 1) t12)), Black: 255#(not f22), 258#true, Black: 769#(and (< x1 x2) (<= x2 (+ x1 1)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= t12 y1)), Black: 754#(and (= y2 y1) (= x2 x1)), Black: 366#(and (= y2 y1) (= x2 x1)), Black: 756#(and (<= (+ y1 1) y2) (<= x2 (+ x1 2)) (<= y2 (+ y1 1)) (<= (+ x1 2) x2)), Black: 759#(and (< x1 x2) (<= x2 (+ x1 1)) (<= (+ t21 1) t12) (<= t12 (+ t21 1))), 392#true, 8#L73true, Black: 763#(and (<= (+ y1 1) y2) (<= x2 (+ x1 2)) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12) (<= (+ x1 2) x2)), Black: 767#(and (< x1 x2) (<= x2 (+ x1 1)) (<= t12 (+ y1 1)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (<= (+ y1 1) t12)), 15#thread1EXITtrue, Black: 646#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 265#(and (= (+ x1 2) x2) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 281#true, Black: 530#(and (= (+ y2 1) y1) (< x1 x2) (<= x2 (+ x1 1))), Black: 531#(and (= (+ y2 1) y1) (= x2 x1)), 156#true, 32#thread2EXITtrue, Black: 411#(and (= y2 y1) (= x2 x1)), Black: 412#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 414#(and (<= x2 (+ x1 2)) (<= y1 y2) (<= y2 y1) (<= (+ x1 2) x2)), 41#L52true, 42#L61true, Black: 288#(and (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 289#(and (<= t12 (+ y1 1)) (= x2 x1) (<= (+ y1 1) t12)), Black: 292#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= y2 (+ y1 1)) (<= (+ y1 2) t12)), Black: 161#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 296#(and (<= t12 (+ y1 2)) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1)) (<= (+ y1 2) t12)), Black: 162#(and (= (+ x1 2) x2) (<= t21 y2) (<= y2 t21)), Black: 298#(and (= y2 y1) (<= (+ t21 1) t12) (<= t12 (+ t21 1)) (= x2 (+ x1 1))), Black: 283#(and (= y2 y1) (= x2 x1)), Black: 164#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 166#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 284#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 169#(and (= y2 y1) (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 285#(and (<= (+ y1 1) y2) (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= y2 (+ y1 1))), Black: 171#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 286#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t12 (+ y1 2)) (<= (+ y1 2) t12)), Black: 287#(and (<= t12 (+ y1 2)) (= x2 x1) (<= (+ y1 2) t12)), Black: 690#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 158#(and (= y2 y1) (= x2 x1)), Black: 159#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), 189#true, Black: 64#(not f12), Black: 69#(not f11), 72#true, 330#true, Black: 577#(and (= y2 y1) (= x2 x1)), Black: 193#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 194#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), 729#true, Black: 197#(and (= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), Black: 198#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 199#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), 223#true, Black: 598#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 336#(and (<= y2 (+ y1 2)) (< x1 x2) (<= x2 (+ x1 1)) (<= (+ y1 2) y2)), Black: 342#(and (<= y2 (+ y1 2)) (< x1 x2) (<= x2 (+ x1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1)) (<= (+ y1 2) y2)), Black: 344#(and (<= (+ y1 1) y2) (< x1 x2) (<= x2 (+ x1 1)) (<= y2 (+ y1 1)) (<= (+ t21 1) y2) (<= y2 (+ t21 1))), 364#true, Black: 738#(and (<= (+ y1 1) y2) (<= y2 (+ y1 1)) (= x2 x1)), Black: 747#(and (= y2 y1) (<= y2 t11) (= x2 x1) (<= t11 y2)), 752#true, Black: 74#(and (= y2 y1) (= x2 x1)), Black: 75#(and (= y2 y1) (<= x2 (+ x1 1)) (<= (+ x1 1) x2)), Black: 78#(and (<= (+ y1 1) y2) (= (+ x1 2) x2) (<= y2 (+ y1 1))), Black: 225#(and (= y2 y1) (= x2 x1)), Black: 241#(and (< y1 (+ y2 1)) (<= t21 y2) (= x2 (+ x1 1)) (<= y2 t21) (<= y2 y1)), Black: 497#(and (<= (+ y2 1) y1) (= x2 x1) (<= y1 (+ y2 1))), Black: 226#(and (= x2 x1) (<= (+ y2 1) t21) (<= t21 (+ y2 1))), Black: 228#(and (<= x2 (+ x1 1)) (<= (+ x1 1) x2) (<= t21 y2) (<= y2 t21)), Black: 232#(and (<= (+ y1 1) y2) (= x2 (+ x1 1)) (<= y2 (+ y1 1))), Black: 121#(not f21), Black: 233#(and (< y1 (+ y2 1)) (= x2 (+ x1 1)) (<= y2 y1)), Black: 368#(and (<= (+ y1 1) y2) (<= x2 (+ x1 2)) (<= y2 (+ y1 1)) (<= (+ x1 2) x2)), Black: 369#(and (<= x2 (+ x1 2)) (<= y1 y2) (<= y2 y1) (<= (+ x1 2) x2))]) [2021-03-26 17:46:08,779 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-26 17:46:08,779 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 17:46:08,779 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-26 17:46:08,779 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-26 17:46:08,783 INFO L129 PetriNetUnfolder]: 289/618 cut-off events. [2021-03-26 17:46:08,783 INFO L130 PetriNetUnfolder]: For 9099/9270 co-relation queries the response was YES. [2021-03-26 17:46:08,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5009 conditions, 618 events. 289/618 cut-off events. For 9099/9270 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3566 event pairs, 12 based on Foata normal form. 17/615 useless extension candidates. Maximal degree in co-relation 4893. Up to 339 conditions per place. [2021-03-26 17:46:08,790 INFO L142 LiptonReduction]: Number of co-enabled transitions 388 [2021-03-26 17:46:08,798 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:08,799 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:08,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 17:46:08,799 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 272 transitions, 3962 flow [2021-03-26 17:46:08,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:08,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:08,799 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:08,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 17:46:08,799 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:08,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:08,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1939665357, now seen corresponding path program 1 times [2021-03-26 17:46:08,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:08,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574331389] [2021-03-26 17:46:08,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:08,811 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:08,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:08,816 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:08,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:08,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:08,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:08,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:08,847 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:46:08,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:08,860 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:46:08,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:08,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:08,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:08,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:08,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:08,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574331389] [2021-03-26 17:46:08,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:08,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:46:08,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955758828] [2021-03-26 17:46:08,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:46:08,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:08,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:46:08,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:46:08,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 107 [2021-03-26 17:46:08,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 272 transitions, 3962 flow. Second operand has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:08,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:08,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 107 [2021-03-26 17:46:08,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:09,219 INFO L129 PetriNetUnfolder]: 495/900 cut-off events. [2021-03-26 17:46:09,219 INFO L130 PetriNetUnfolder]: For 12920/12953 co-relation queries the response was YES. [2021-03-26 17:46:09,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7678 conditions, 900 events. 495/900 cut-off events. For 12920/12953 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4698 event pairs, 89 based on Foata normal form. 19/917 useless extension candidates. Maximal degree in co-relation 7561. Up to 742 conditions per place. [2021-03-26 17:46:09,227 INFO L132 encePairwiseOnDemand]: 83/107 looper letters, 187 selfloop transitions, 96 changer transitions 2/293 dead transitions. [2021-03-26 17:46:09,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 293 transitions, 4831 flow [2021-03-26 17:46:09,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 17:46:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 17:46:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 301 transitions. [2021-03-26 17:46:09,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3516355140186916 [2021-03-26 17:46:09,228 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 301 transitions. [2021-03-26 17:46:09,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 301 transitions. [2021-03-26 17:46:09,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:09,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 301 transitions. [2021-03-26 17:46:09,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 37.625) internal successors, (301), 8 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:09,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 107.0) internal successors, (963), 9 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:09,230 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 107.0) internal successors, (963), 9 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:09,230 INFO L185 Difference]: Start difference. First operand has 197 places, 272 transitions, 3962 flow. Second operand 8 states and 301 transitions. [2021-03-26 17:46:09,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 293 transitions, 4831 flow [2021-03-26 17:46:09,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 293 transitions, 4693 flow, removed 38 selfloop flow, removed 4 redundant places. [2021-03-26 17:46:09,289 INFO L241 Difference]: Finished difference. Result has 202 places, 280 transitions, 4215 flow [2021-03-26 17:46:09,290 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=3824, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4215, PETRI_PLACES=202, PETRI_TRANSITIONS=280} [2021-03-26 17:46:09,290 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 163 predicate places. [2021-03-26 17:46:09,290 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:09,290 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 280 transitions, 4215 flow [2021-03-26 17:46:09,290 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 280 transitions, 4215 flow [2021-03-26 17:46:09,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 280 transitions, 4215 flow [2021-03-26 17:46:09,343 INFO L129 PetriNetUnfolder]: 299/633 cut-off events. [2021-03-26 17:46:09,343 INFO L130 PetriNetUnfolder]: For 10068/10265 co-relation queries the response was YES. [2021-03-26 17:46:09,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5329 conditions, 633 events. 299/633 cut-off events. For 10068/10265 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3672 event pairs, 12 based on Foata normal form. 20/635 useless extension candidates. Maximal degree in co-relation 5250. Up to 343 conditions per place. [2021-03-26 17:46:09,354 INFO L142 LiptonReduction]: Number of co-enabled transitions 404 [2021-03-26 17:46:09,367 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:09,368 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:09,368 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-03-26 17:46:09,368 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 280 transitions, 4215 flow [2021-03-26 17:46:09,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:09,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:09,368 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:09,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 17:46:09,369 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:09,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:09,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1821862030, now seen corresponding path program 2 times [2021-03-26 17:46:09,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:09,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959616530] [2021-03-26 17:46:09,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:09,381 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:09,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:09,389 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:09,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:09,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:09,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:09,405 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:09,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:09,434 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:09,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:09,456 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:09,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:09,479 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:09,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:09,503 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:09,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:09,526 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:09,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:09,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:09,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:09,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959616530] [2021-03-26 17:46:09,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:09,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:09,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938359220] [2021-03-26 17:46:09,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:09,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:09,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:09,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:09,534 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 107 [2021-03-26 17:46:09,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 280 transitions, 4215 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:09,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:09,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 107 [2021-03-26 17:46:09,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:10,170 INFO L129 PetriNetUnfolder]: 568/1020 cut-off events. [2021-03-26 17:46:10,170 INFO L130 PetriNetUnfolder]: For 15994/16003 co-relation queries the response was YES. [2021-03-26 17:46:10,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9074 conditions, 1020 events. 568/1020 cut-off events. For 15994/16003 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5439 event pairs, 99 based on Foata normal form. 6/1023 useless extension candidates. Maximal degree in co-relation 8993. Up to 817 conditions per place. [2021-03-26 17:46:10,182 INFO L132 encePairwiseOnDemand]: 80/107 looper letters, 191 selfloop transitions, 156 changer transitions 4/359 dead transitions. [2021-03-26 17:46:10,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 359 transitions, 6232 flow [2021-03-26 17:46:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 17:46:10,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 17:46:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 678 transitions. [2021-03-26 17:46:10,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30173564753004006 [2021-03-26 17:46:10,184 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 678 transitions. [2021-03-26 17:46:10,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 678 transitions. [2021-03-26 17:46:10,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:10,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 678 transitions. [2021-03-26 17:46:10,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.285714285714285) internal successors, (678), 21 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:10,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 107.0) internal successors, (2354), 22 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:10,187 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 107.0) internal successors, (2354), 22 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:10,187 INFO L185 Difference]: Start difference. First operand has 201 places, 280 transitions, 4215 flow. Second operand 21 states and 678 transitions. [2021-03-26 17:46:10,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 359 transitions, 6232 flow [2021-03-26 17:46:10,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 359 transitions, 6054 flow, removed 50 selfloop flow, removed 4 redundant places. [2021-03-26 17:46:10,280 INFO L241 Difference]: Finished difference. Result has 222 places, 345 transitions, 5583 flow [2021-03-26 17:46:10,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=4039, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5583, PETRI_PLACES=222, PETRI_TRANSITIONS=345} [2021-03-26 17:46:10,281 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 183 predicate places. [2021-03-26 17:46:10,281 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:10,281 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 345 transitions, 5583 flow [2021-03-26 17:46:10,281 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 345 transitions, 5583 flow [2021-03-26 17:46:10,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 345 transitions, 5583 flow [2021-03-26 17:46:10,352 INFO L129 PetriNetUnfolder]: 361/746 cut-off events. [2021-03-26 17:46:10,352 INFO L130 PetriNetUnfolder]: For 13163/13369 co-relation queries the response was YES. [2021-03-26 17:46:10,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6611 conditions, 746 events. 361/746 cut-off events. For 13163/13369 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 4402 event pairs, 24 based on Foata normal form. 18/756 useless extension candidates. Maximal degree in co-relation 6472. Up to 398 conditions per place. [2021-03-26 17:46:10,361 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-26 17:46:10,430 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:46:10,430 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:46:10,430 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-03-26 17:46:10,431 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 345 transitions, 5607 flow [2021-03-26 17:46:10,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:10,431 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:10,431 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:10,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 17:46:10,431 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:10,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:10,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1241915521, now seen corresponding path program 1 times [2021-03-26 17:46:10,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:10,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913942920] [2021-03-26 17:46:10,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:10,448 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:10,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:10,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:10,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:10,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:10,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:10,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:10,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:10,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:10,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:10,484 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:46:10,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:10,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:10,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:46:10,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:10,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:10,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:10,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:10,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:10,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:10,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913942920] [2021-03-26 17:46:10,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:10,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:46:10,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960908914] [2021-03-26 17:46:10,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:46:10,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:10,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:46:10,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:46:10,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:10,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 345 transitions, 5607 flow. Second operand has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:10,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:10,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:10,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:10,913 INFO L129 PetriNetUnfolder]: 567/1019 cut-off events. [2021-03-26 17:46:10,913 INFO L130 PetriNetUnfolder]: For 17873/17917 co-relation queries the response was YES. [2021-03-26 17:46:10,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9525 conditions, 1019 events. 567/1019 cut-off events. For 17873/17917 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5471 event pairs, 76 based on Foata normal form. 14/1029 useless extension candidates. Maximal degree in co-relation 9400. Up to 882 conditions per place. [2021-03-26 17:46:10,921 INFO L132 encePairwiseOnDemand]: 85/109 looper letters, 247 selfloop transitions, 98 changer transitions 2/355 dead transitions. [2021-03-26 17:46:10,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 355 transitions, 6457 flow [2021-03-26 17:46:10,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 17:46:10,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 17:46:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 321 transitions. [2021-03-26 17:46:10,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.327217125382263 [2021-03-26 17:46:10,922 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 321 transitions. [2021-03-26 17:46:10,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 321 transitions. [2021-03-26 17:46:10,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:10,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 321 transitions. [2021-03-26 17:46:10,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 35.666666666666664) internal successors, (321), 9 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:10,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:10,924 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:10,924 INFO L185 Difference]: Start difference. First operand has 220 places, 345 transitions, 5607 flow. Second operand 9 states and 321 transitions. [2021-03-26 17:46:10,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 355 transitions, 6457 flow [2021-03-26 17:46:11,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 355 transitions, 5934 flow, removed 248 selfloop flow, removed 1 redundant places. [2021-03-26 17:46:11,008 INFO L241 Difference]: Finished difference. Result has 230 places, 347 transitions, 5401 flow [2021-03-26 17:46:11,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5092, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5401, PETRI_PLACES=230, PETRI_TRANSITIONS=347} [2021-03-26 17:46:11,009 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 191 predicate places. [2021-03-26 17:46:11,009 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:11,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 347 transitions, 5401 flow [2021-03-26 17:46:11,009 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 347 transitions, 5401 flow [2021-03-26 17:46:11,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 229 places, 347 transitions, 5401 flow [2021-03-26 17:46:11,070 INFO L129 PetriNetUnfolder]: 366/745 cut-off events. [2021-03-26 17:46:11,070 INFO L130 PetriNetUnfolder]: For 12687/12910 co-relation queries the response was YES. [2021-03-26 17:46:11,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6514 conditions, 745 events. 366/745 cut-off events. For 12687/12910 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4366 event pairs, 23 based on Foata normal form. 18/749 useless extension candidates. Maximal degree in co-relation 6375. Up to 378 conditions per place. [2021-03-26 17:46:11,079 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-26 17:46:11,092 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:11,092 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:11,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 17:46:11,093 INFO L480 AbstractCegarLoop]: Abstraction has has 229 places, 347 transitions, 5401 flow [2021-03-26 17:46:11,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:11,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:11,093 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:11,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 17:46:11,093 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:11,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:11,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1049694446, now seen corresponding path program 1 times [2021-03-26 17:46:11,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:11,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400759438] [2021-03-26 17:46:11,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:11,105 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:11,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:11,110 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:11,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:11,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:11,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:11,126 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:11,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:11,145 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:11,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:11,166 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:11,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:11,170 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:46:11,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:11,189 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:11,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:11,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:11,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:11,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400759438] [2021-03-26 17:46:11,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:11,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:46:11,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980692834] [2021-03-26 17:46:11,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:46:11,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:11,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:46:11,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:46:11,194 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:11,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 347 transitions, 5401 flow. Second operand has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:11,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:11,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:11,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:11,659 INFO L129 PetriNetUnfolder]: 568/1026 cut-off events. [2021-03-26 17:46:11,659 INFO L130 PetriNetUnfolder]: For 16390/16434 co-relation queries the response was YES. [2021-03-26 17:46:11,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9392 conditions, 1026 events. 568/1026 cut-off events. For 16390/16434 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5557 event pairs, 73 based on Foata normal form. 14/1036 useless extension candidates. Maximal degree in co-relation 9262. Up to 828 conditions per place. [2021-03-26 17:46:11,669 INFO L132 encePairwiseOnDemand]: 81/109 looper letters, 209 selfloop transitions, 138 changer transitions 2/357 dead transitions. [2021-03-26 17:46:11,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 357 transitions, 6246 flow [2021-03-26 17:46:11,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:46:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:46:11,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 361 transitions. [2021-03-26 17:46:11,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3311926605504587 [2021-03-26 17:46:11,670 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 361 transitions. [2021-03-26 17:46:11,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 361 transitions. [2021-03-26 17:46:11,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:11,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 361 transitions. [2021-03-26 17:46:11,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 36.1) internal successors, (361), 10 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:11,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:11,672 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:11,672 INFO L185 Difference]: Start difference. First operand has 229 places, 347 transitions, 5401 flow. Second operand 10 states and 361 transitions. [2021-03-26 17:46:11,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 357 transitions, 6246 flow [2021-03-26 17:46:11,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 357 transitions, 5992 flow, removed 18 selfloop flow, removed 8 redundant places. [2021-03-26 17:46:11,758 INFO L241 Difference]: Finished difference. Result has 233 places, 348 transitions, 5550 flow [2021-03-26 17:46:11,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5149, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5550, PETRI_PLACES=233, PETRI_TRANSITIONS=348} [2021-03-26 17:46:11,758 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 194 predicate places. [2021-03-26 17:46:11,758 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:11,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 348 transitions, 5550 flow [2021-03-26 17:46:11,758 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 348 transitions, 5550 flow [2021-03-26 17:46:11,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 348 transitions, 5550 flow [2021-03-26 17:46:11,824 INFO L129 PetriNetUnfolder]: 361/748 cut-off events. [2021-03-26 17:46:11,824 INFO L130 PetriNetUnfolder]: For 13151/13333 co-relation queries the response was YES. [2021-03-26 17:46:11,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6630 conditions, 748 events. 361/748 cut-off events. For 13151/13333 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4463 event pairs, 24 based on Foata normal form. 20/758 useless extension candidates. Maximal degree in co-relation 6485. Up to 376 conditions per place. [2021-03-26 17:46:11,833 INFO L142 LiptonReduction]: Number of co-enabled transitions 424 [2021-03-26 17:46:11,851 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:11,851 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:11,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-03-26 17:46:11,852 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 348 transitions, 5550 flow [2021-03-26 17:46:11,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.25) internal successors, (218), 8 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:11,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:11,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:11,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 17:46:11,852 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:11,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:11,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1685574973, now seen corresponding path program 1 times [2021-03-26 17:46:11,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:11,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430630921] [2021-03-26 17:46:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:11,865 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:11,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:11,870 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:11,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:11,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:11,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:11,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:11,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:11,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:11,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:11,907 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:11,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:11,934 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:11,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:11,961 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:11,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:11,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:11,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:12,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:12,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:12,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430630921] [2021-03-26 17:46:12,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:12,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:12,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79415800] [2021-03-26 17:46:12,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:12,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:12,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:12,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:12,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:12,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 348 transitions, 5550 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:12,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:12,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:12,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:12,539 INFO L129 PetriNetUnfolder]: 567/1028 cut-off events. [2021-03-26 17:46:12,539 INFO L130 PetriNetUnfolder]: For 16915/16959 co-relation queries the response was YES. [2021-03-26 17:46:12,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9530 conditions, 1028 events. 567/1028 cut-off events. For 16915/16959 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5558 event pairs, 103 based on Foata normal form. 14/1038 useless extension candidates. Maximal degree in co-relation 9401. Up to 869 conditions per place. [2021-03-26 17:46:12,548 INFO L132 encePairwiseOnDemand]: 81/109 looper letters, 222 selfloop transitions, 121 changer transitions 3/354 dead transitions. [2021-03-26 17:46:12,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 354 transitions, 6307 flow [2021-03-26 17:46:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 423 transitions. [2021-03-26 17:46:12,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2985179957657022 [2021-03-26 17:46:12,550 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 423 transitions. [2021-03-26 17:46:12,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 423 transitions. [2021-03-26 17:46:12,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:12,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 423 transitions. [2021-03-26 17:46:12,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.53846153846154) internal successors, (423), 13 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:12,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:12,552 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:12,552 INFO L185 Difference]: Start difference. First operand has 233 places, 348 transitions, 5550 flow. Second operand 13 states and 423 transitions. [2021-03-26 17:46:12,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 354 transitions, 6307 flow [2021-03-26 17:46:12,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 354 transitions, 5992 flow, removed 15 selfloop flow, removed 9 redundant places. [2021-03-26 17:46:12,633 INFO L241 Difference]: Finished difference. Result has 239 places, 348 transitions, 5486 flow [2021-03-26 17:46:12,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5235, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5486, PETRI_PLACES=239, PETRI_TRANSITIONS=348} [2021-03-26 17:46:12,634 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 200 predicate places. [2021-03-26 17:46:12,634 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:12,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 348 transitions, 5486 flow [2021-03-26 17:46:12,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 348 transitions, 5486 flow [2021-03-26 17:46:12,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 348 transitions, 5486 flow [2021-03-26 17:46:12,696 INFO L129 PetriNetUnfolder]: 364/751 cut-off events. [2021-03-26 17:46:12,696 INFO L130 PetriNetUnfolder]: For 13099/13271 co-relation queries the response was YES. [2021-03-26 17:46:12,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6607 conditions, 751 events. 364/751 cut-off events. For 13099/13271 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4465 event pairs, 23 based on Foata normal form. 16/757 useless extension candidates. Maximal degree in co-relation 6520. Up to 377 conditions per place. [2021-03-26 17:46:12,704 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-26 17:46:12,717 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:12,717 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:12,718 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-03-26 17:46:12,718 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 348 transitions, 5486 flow [2021-03-26 17:46:12,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:12,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:12,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:12,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 17:46:12,718 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:12,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:12,718 INFO L82 PathProgramCache]: Analyzing trace with hash 811834293, now seen corresponding path program 2 times [2021-03-26 17:46:12,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:12,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482628011] [2021-03-26 17:46:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:12,731 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:12,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:12,736 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:12,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:12,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:12,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:12,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:12,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:12,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:12,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:12,774 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:12,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:12,799 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:12,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:12,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:12,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:12,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:12,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:12,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:12,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:12,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482628011] [2021-03-26 17:46:12,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:12,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:12,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557034031] [2021-03-26 17:46:12,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:12,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:12,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:12,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:12,856 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:12,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 348 transitions, 5486 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:12,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:12,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:12,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:13,429 INFO L129 PetriNetUnfolder]: 566/1030 cut-off events. [2021-03-26 17:46:13,429 INFO L130 PetriNetUnfolder]: For 17306/17337 co-relation queries the response was YES. [2021-03-26 17:46:13,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9479 conditions, 1030 events. 566/1030 cut-off events. For 17306/17337 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5560 event pairs, 98 based on Foata normal form. 13/1040 useless extension candidates. Maximal degree in co-relation 9390. Up to 842 conditions per place. [2021-03-26 17:46:13,439 INFO L132 encePairwiseOnDemand]: 80/109 looper letters, 214 selfloop transitions, 132 changer transitions 3/357 dead transitions. [2021-03-26 17:46:13,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 357 transitions, 6294 flow [2021-03-26 17:46:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 428 transitions. [2021-03-26 17:46:13,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3020465772759351 [2021-03-26 17:46:13,459 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 428 transitions. [2021-03-26 17:46:13,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 428 transitions. [2021-03-26 17:46:13,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:13,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 428 transitions. [2021-03-26 17:46:13,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.92307692307692) internal successors, (428), 13 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:13,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:13,461 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:13,461 INFO L185 Difference]: Start difference. First operand has 236 places, 348 transitions, 5486 flow. Second operand 13 states and 428 transitions. [2021-03-26 17:46:13,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 357 transitions, 6294 flow [2021-03-26 17:46:13,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 357 transitions, 6044 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-26 17:46:13,544 INFO L241 Difference]: Finished difference. Result has 240 places, 348 transitions, 5522 flow [2021-03-26 17:46:13,544 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5240, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5522, PETRI_PLACES=240, PETRI_TRANSITIONS=348} [2021-03-26 17:46:13,544 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 201 predicate places. [2021-03-26 17:46:13,545 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:13,545 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 348 transitions, 5522 flow [2021-03-26 17:46:13,545 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 348 transitions, 5522 flow [2021-03-26 17:46:13,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 348 transitions, 5522 flow [2021-03-26 17:46:13,636 INFO L129 PetriNetUnfolder]: 362/749 cut-off events. [2021-03-26 17:46:13,636 INFO L130 PetriNetUnfolder]: For 13275/13474 co-relation queries the response was YES. [2021-03-26 17:46:13,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6680 conditions, 749 events. 362/749 cut-off events. For 13275/13474 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4449 event pairs, 18 based on Foata normal form. 13/752 useless extension candidates. Maximal degree in co-relation 6592. Up to 377 conditions per place. [2021-03-26 17:46:13,650 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-26 17:46:13,672 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:13,672 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:13,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-03-26 17:46:13,674 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 348 transitions, 5522 flow [2021-03-26 17:46:13,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:13,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:13,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:13,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 17:46:13,675 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:13,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:13,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1075777817, now seen corresponding path program 3 times [2021-03-26 17:46:13,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:13,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134056115] [2021-03-26 17:46:13,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:13,701 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:13,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:13,706 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:13,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:13,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:13,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:13,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:13,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:13,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:13,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:13,745 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:13,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:13,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:13,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:13,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:13,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:13,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:13,813 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:13,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:13,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134056115] [2021-03-26 17:46:13,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:13,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:13,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475232536] [2021-03-26 17:46:13,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:13,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:13,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:13,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:13,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:13,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 348 transitions, 5522 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:13,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:13,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:13,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:14,280 INFO L129 PetriNetUnfolder]: 565/1023 cut-off events. [2021-03-26 17:46:14,281 INFO L130 PetriNetUnfolder]: For 18294/18325 co-relation queries the response was YES. [2021-03-26 17:46:14,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9583 conditions, 1023 events. 565/1023 cut-off events. For 18294/18325 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5500 event pairs, 105 based on Foata normal form. 13/1033 useless extension candidates. Maximal degree in co-relation 9493. Up to 925 conditions per place. [2021-03-26 17:46:14,291 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 299 selfloop transitions, 44 changer transitions 2/353 dead transitions. [2021-03-26 17:46:14,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 353 transitions, 6274 flow [2021-03-26 17:46:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:46:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:46:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 432 transitions. [2021-03-26 17:46:14,292 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28309305373525556 [2021-03-26 17:46:14,292 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 432 transitions. [2021-03-26 17:46:14,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 432 transitions. [2021-03-26 17:46:14,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:14,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 432 transitions. [2021-03-26 17:46:14,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.857142857142858) internal successors, (432), 14 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:14,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:14,293 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:14,294 INFO L185 Difference]: Start difference. First operand has 238 places, 348 transitions, 5522 flow. Second operand 14 states and 432 transitions. [2021-03-26 17:46:14,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 353 transitions, 6274 flow [2021-03-26 17:46:14,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 353 transitions, 6010 flow, removed 7 selfloop flow, removed 12 redundant places. [2021-03-26 17:46:14,371 INFO L241 Difference]: Finished difference. Result has 241 places, 348 transitions, 5358 flow [2021-03-26 17:46:14,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5264, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5358, PETRI_PLACES=241, PETRI_TRANSITIONS=348} [2021-03-26 17:46:14,372 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 202 predicate places. [2021-03-26 17:46:14,372 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:14,372 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 348 transitions, 5358 flow [2021-03-26 17:46:14,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 348 transitions, 5358 flow [2021-03-26 17:46:14,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 348 transitions, 5358 flow [2021-03-26 17:46:14,437 INFO L129 PetriNetUnfolder]: 368/750 cut-off events. [2021-03-26 17:46:14,437 INFO L130 PetriNetUnfolder]: For 13608/13808 co-relation queries the response was YES. [2021-03-26 17:46:14,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6619 conditions, 750 events. 368/750 cut-off events. For 13608/13808 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4421 event pairs, 24 based on Foata normal form. 15/749 useless extension candidates. Maximal degree in co-relation 6532. Up to 382 conditions per place. [2021-03-26 17:46:14,447 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-26 17:46:14,461 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:14,461 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:14,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-03-26 17:46:14,462 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 348 transitions, 5358 flow [2021-03-26 17:46:14,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:14,462 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:14,462 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:14,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 17:46:14,462 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:14,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:14,462 INFO L82 PathProgramCache]: Analyzing trace with hash -731253423, now seen corresponding path program 2 times [2021-03-26 17:46:14,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:14,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822568939] [2021-03-26 17:46:14,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:14,474 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:14,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:14,479 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:14,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:14,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:14,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:14,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:14,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:14,518 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:46:14,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:14,534 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:46:14,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:14,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:14,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:14,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:14,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:14,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822568939] [2021-03-26 17:46:14,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:14,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:14,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901980772] [2021-03-26 17:46:14,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:14,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:14,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:14,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:14,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:14,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 348 transitions, 5358 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:14,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:14,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:14,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:15,003 INFO L129 PetriNetUnfolder]: 564/1026 cut-off events. [2021-03-26 17:46:15,003 INFO L130 PetriNetUnfolder]: For 17751/17782 co-relation queries the response was YES. [2021-03-26 17:46:15,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9469 conditions, 1026 events. 564/1026 cut-off events. For 17751/17782 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5513 event pairs, 98 based on Foata normal form. 13/1036 useless extension candidates. Maximal degree in co-relation 9380. Up to 880 conditions per place. [2021-03-26 17:46:15,012 INFO L132 encePairwiseOnDemand]: 85/109 looper letters, 247 selfloop transitions, 92 changer transitions 9/356 dead transitions. [2021-03-26 17:46:15,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 356 transitions, 6185 flow [2021-03-26 17:46:15,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:15,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 373 transitions. [2021-03-26 17:46:15,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.311092577147623 [2021-03-26 17:46:15,013 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 373 transitions. [2021-03-26 17:46:15,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 373 transitions. [2021-03-26 17:46:15,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:15,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 373 transitions. [2021-03-26 17:46:15,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.90909090909091) internal successors, (373), 11 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,015 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,015 INFO L185 Difference]: Start difference. First operand has 239 places, 348 transitions, 5358 flow. Second operand 11 states and 373 transitions. [2021-03-26 17:46:15,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 356 transitions, 6185 flow [2021-03-26 17:46:15,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 356 transitions, 6075 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-26 17:46:15,098 INFO L241 Difference]: Finished difference. Result has 239 places, 341 transitions, 5350 flow [2021-03-26 17:46:15,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5248, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5350, PETRI_PLACES=239, PETRI_TRANSITIONS=341} [2021-03-26 17:46:15,098 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 200 predicate places. [2021-03-26 17:46:15,098 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:15,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 341 transitions, 5350 flow [2021-03-26 17:46:15,098 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 341 transitions, 5350 flow [2021-03-26 17:46:15,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 341 transitions, 5350 flow [2021-03-26 17:46:15,160 INFO L129 PetriNetUnfolder]: 361/742 cut-off events. [2021-03-26 17:46:15,160 INFO L130 PetriNetUnfolder]: For 13778/13965 co-relation queries the response was YES. [2021-03-26 17:46:15,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6613 conditions, 742 events. 361/742 cut-off events. For 13778/13965 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4405 event pairs, 24 based on Foata normal form. 13/746 useless extension candidates. Maximal degree in co-relation 6525. Up to 373 conditions per place. [2021-03-26 17:46:15,169 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-26 17:46:15,181 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:15,181 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:15,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 17:46:15,182 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 341 transitions, 5350 flow [2021-03-26 17:46:15,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:15,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:15,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 17:46:15,182 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:15,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:15,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1094211843, now seen corresponding path program 4 times [2021-03-26 17:46:15,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:15,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983253089] [2021-03-26 17:46:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:15,193 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:15,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:15,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:15,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:15,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:15,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:15,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:15,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:15,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:15,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:15,236 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:15,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:15,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:15,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:15,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:15,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:15,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:15,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:15,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:15,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983253089] [2021-03-26 17:46:15,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:15,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:15,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266149873] [2021-03-26 17:46:15,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:15,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:15,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:15,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:15,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:15,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 341 transitions, 5350 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:15,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:15,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:15,752 INFO L129 PetriNetUnfolder]: 561/1014 cut-off events. [2021-03-26 17:46:15,752 INFO L130 PetriNetUnfolder]: For 18170/18201 co-relation queries the response was YES. [2021-03-26 17:46:15,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9486 conditions, 1014 events. 561/1014 cut-off events. For 18170/18201 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5422 event pairs, 105 based on Foata normal form. 13/1024 useless extension candidates. Maximal degree in co-relation 9396. Up to 916 conditions per place. [2021-03-26 17:46:15,763 INFO L132 encePairwiseOnDemand]: 92/109 looper letters, 291 selfloop transitions, 43 changer transitions 4/346 dead transitions. [2021-03-26 17:46:15,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 346 transitions, 6075 flow [2021-03-26 17:46:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:46:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:46:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 431 transitions. [2021-03-26 17:46:15,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.282437745740498 [2021-03-26 17:46:15,764 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 431 transitions. [2021-03-26 17:46:15,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 431 transitions. [2021-03-26 17:46:15,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:15,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 431 transitions. [2021-03-26 17:46:15,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 30.785714285714285) internal successors, (431), 14 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,766 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 109.0) internal successors, (1635), 15 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,766 INFO L185 Difference]: Start difference. First operand has 235 places, 341 transitions, 5350 flow. Second operand 14 states and 431 transitions. [2021-03-26 17:46:15,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 346 transitions, 6075 flow [2021-03-26 17:46:15,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 346 transitions, 5806 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:15,839 INFO L241 Difference]: Finished difference. Result has 240 places, 340 transitions, 5160 flow [2021-03-26 17:46:15,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5081, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5160, PETRI_PLACES=240, PETRI_TRANSITIONS=340} [2021-03-26 17:46:15,839 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 201 predicate places. [2021-03-26 17:46:15,839 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:15,839 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 340 transitions, 5160 flow [2021-03-26 17:46:15,839 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 340 transitions, 5160 flow [2021-03-26 17:46:15,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 340 transitions, 5160 flow [2021-03-26 17:46:15,905 INFO L129 PetriNetUnfolder]: 366/741 cut-off events. [2021-03-26 17:46:15,905 INFO L130 PetriNetUnfolder]: For 13954/14143 co-relation queries the response was YES. [2021-03-26 17:46:15,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6572 conditions, 741 events. 366/741 cut-off events. For 13954/14143 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4361 event pairs, 26 based on Foata normal form. 19/743 useless extension candidates. Maximal degree in co-relation 6484. Up to 379 conditions per place. [2021-03-26 17:46:15,931 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-26 17:46:15,944 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:15,944 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:15,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-03-26 17:46:15,944 INFO L480 AbstractCegarLoop]: Abstraction has has 237 places, 340 transitions, 5160 flow [2021-03-26 17:46:15,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:15,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:15,944 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:15,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 17:46:15,945 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:15,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:15,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1958818238, now seen corresponding path program 3 times [2021-03-26 17:46:15,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:15,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349879663] [2021-03-26 17:46:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:15,964 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:15,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:15,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:15,986 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:15,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:16,009 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:16,036 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:16,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:16,063 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:16,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:16,090 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:16,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:16,115 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:16,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:16,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:16,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:16,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349879663] [2021-03-26 17:46:16,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:16,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:16,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205244447] [2021-03-26 17:46:16,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:16,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:16,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:16,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:16,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:16,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 340 transitions, 5160 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:16,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:16,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:16,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:16,743 INFO L129 PetriNetUnfolder]: 579/1055 cut-off events. [2021-03-26 17:46:16,743 INFO L130 PetriNetUnfolder]: For 19772/19803 co-relation queries the response was YES. [2021-03-26 17:46:16,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9883 conditions, 1055 events. 579/1055 cut-off events. For 19772/19803 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5780 event pairs, 105 based on Foata normal form. 13/1065 useless extension candidates. Maximal degree in co-relation 9793. Up to 882 conditions per place. [2021-03-26 17:46:16,752 INFO L132 encePairwiseOnDemand]: 81/109 looper letters, 216 selfloop transitions, 152 changer transitions 2/378 dead transitions. [2021-03-26 17:46:16,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 378 transitions, 6619 flow [2021-03-26 17:46:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:46:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:46:16,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 528 transitions. [2021-03-26 17:46:16,754 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30275229357798167 [2021-03-26 17:46:16,754 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 528 transitions. [2021-03-26 17:46:16,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 528 transitions. [2021-03-26 17:46:16,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:16,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 528 transitions. [2021-03-26 17:46:16,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.0) internal successors, (528), 16 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:16,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:16,757 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:16,757 INFO L185 Difference]: Start difference. First operand has 237 places, 340 transitions, 5160 flow. Second operand 16 states and 528 transitions. [2021-03-26 17:46:16,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 378 transitions, 6619 flow [2021-03-26 17:46:16,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 378 transitions, 6496 flow, removed 15 selfloop flow, removed 14 redundant places. [2021-03-26 17:46:16,833 INFO L241 Difference]: Finished difference. Result has 244 places, 369 transitions, 6056 flow [2021-03-26 17:46:16,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5061, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=6056, PETRI_PLACES=244, PETRI_TRANSITIONS=369} [2021-03-26 17:46:16,833 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 205 predicate places. [2021-03-26 17:46:16,833 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:16,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 369 transitions, 6056 flow [2021-03-26 17:46:16,834 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 369 transitions, 6056 flow [2021-03-26 17:46:16,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 369 transitions, 6056 flow [2021-03-26 17:46:16,902 INFO L129 PetriNetUnfolder]: 379/775 cut-off events. [2021-03-26 17:46:16,902 INFO L130 PetriNetUnfolder]: For 15922/16161 co-relation queries the response was YES. [2021-03-26 17:46:16,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7143 conditions, 775 events. 379/775 cut-off events. For 15922/16161 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4659 event pairs, 27 based on Foata normal form. 18/775 useless extension candidates. Maximal degree in co-relation 7032. Up to 402 conditions per place. [2021-03-26 17:46:16,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-26 17:46:16,926 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:16,926 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:16,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-03-26 17:46:16,926 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 369 transitions, 6056 flow [2021-03-26 17:46:16,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:16,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:16,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:16,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 17:46:16,927 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash 2098270832, now seen corresponding path program 4 times [2021-03-26 17:46:16,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:16,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950804613] [2021-03-26 17:46:16,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:16,939 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:16,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:16,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:16,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:16,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:16,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:16,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:16,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:16,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:16,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:16,981 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:16,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:17,003 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:17,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:17,026 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:17,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:17,047 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:17,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:17,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950804613] [2021-03-26 17:46:17,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:17,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:17,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745094841] [2021-03-26 17:46:17,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:17,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:17,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:17,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:17,053 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:17,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 369 transitions, 6056 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:17,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:17,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:17,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:17,605 INFO L129 PetriNetUnfolder]: 586/1068 cut-off events. [2021-03-26 17:46:17,606 INFO L130 PetriNetUnfolder]: For 19679/19715 co-relation queries the response was YES. [2021-03-26 17:46:17,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10252 conditions, 1068 events. 586/1068 cut-off events. For 19679/19715 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5872 event pairs, 115 based on Foata normal form. 18/1083 useless extension candidates. Maximal degree in co-relation 10137. Up to 964 conditions per place. [2021-03-26 17:46:17,621 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 325 selfloop transitions, 50 changer transitions 2/385 dead transitions. [2021-03-26 17:46:17,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 385 transitions, 7116 flow [2021-03-26 17:46:17,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 411 transitions. [2021-03-26 17:46:17,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2900494001411433 [2021-03-26 17:46:17,623 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 411 transitions. [2021-03-26 17:46:17,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 411 transitions. [2021-03-26 17:46:17,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:17,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 411 transitions. [2021-03-26 17:46:17,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.615384615384617) internal successors, (411), 13 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:17,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:17,625 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:17,625 INFO L185 Difference]: Start difference. First operand has 243 places, 369 transitions, 6056 flow. Second operand 13 states and 411 transitions. [2021-03-26 17:46:17,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 385 transitions, 7116 flow [2021-03-26 17:46:17,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 385 transitions, 6885 flow, removed 104 selfloop flow, removed 1 redundant places. [2021-03-26 17:46:17,757 INFO L241 Difference]: Finished difference. Result has 260 places, 379 transitions, 6203 flow [2021-03-26 17:46:17,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=5825, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6203, PETRI_PLACES=260, PETRI_TRANSITIONS=379} [2021-03-26 17:46:17,758 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 221 predicate places. [2021-03-26 17:46:17,758 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:17,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 379 transitions, 6203 flow [2021-03-26 17:46:17,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 379 transitions, 6203 flow [2021-03-26 17:46:17,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 379 transitions, 6203 flow [2021-03-26 17:46:17,871 INFO L129 PetriNetUnfolder]: 385/791 cut-off events. [2021-03-26 17:46:17,871 INFO L130 PetriNetUnfolder]: For 16790/16997 co-relation queries the response was YES. [2021-03-26 17:46:17,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7363 conditions, 791 events. 385/791 cut-off events. For 16790/16997 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4799 event pairs, 26 based on Foata normal form. 17/784 useless extension candidates. Maximal degree in co-relation 7245. Up to 401 conditions per place. [2021-03-26 17:46:17,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 436 [2021-03-26 17:46:17,910 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:17,910 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:17,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-03-26 17:46:17,911 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 379 transitions, 6203 flow [2021-03-26 17:46:17,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:17,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:17,912 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:17,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 17:46:17,912 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:17,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:17,912 INFO L82 PathProgramCache]: Analyzing trace with hash -645721871, now seen corresponding path program 3 times [2021-03-26 17:46:17,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:17,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719338369] [2021-03-26 17:46:17,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:17,930 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:17,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:17,935 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:17,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:17,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:17,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:17,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:17,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:17,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:17,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:17,966 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:46:17,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:17,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:46:17,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:17,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:17,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:18,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:18,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:18,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:18,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719338369] [2021-03-26 17:46:18,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:18,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:18,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333285907] [2021-03-26 17:46:18,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:18,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:18,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:18,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:18,010 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:18,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 379 transitions, 6203 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:18,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:18,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:18,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:18,485 INFO L129 PetriNetUnfolder]: 588/1078 cut-off events. [2021-03-26 17:46:18,485 INFO L130 PetriNetUnfolder]: For 21610/21619 co-relation queries the response was YES. [2021-03-26 17:46:18,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10425 conditions, 1078 events. 588/1078 cut-off events. For 21610/21619 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5999 event pairs, 98 based on Foata normal form. 6/1082 useless extension candidates. Maximal degree in co-relation 10303. Up to 910 conditions per place. [2021-03-26 17:46:18,497 INFO L132 encePairwiseOnDemand]: 85/109 looper letters, 281 selfloop transitions, 106 changer transitions 2/397 dead transitions. [2021-03-26 17:46:18,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 397 transitions, 7325 flow [2021-03-26 17:46:18,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 382 transitions. [2021-03-26 17:46:18,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31859883236030023 [2021-03-26 17:46:18,498 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 382 transitions. [2021-03-26 17:46:18,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 382 transitions. [2021-03-26 17:46:18,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:18,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 382 transitions. [2021-03-26 17:46:18,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.72727272727273) internal successors, (382), 11 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:18,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:18,500 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 109.0) internal successors, (1308), 12 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:18,500 INFO L185 Difference]: Start difference. First operand has 259 places, 379 transitions, 6203 flow. Second operand 11 states and 382 transitions. [2021-03-26 17:46:18,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 397 transitions, 7325 flow [2021-03-26 17:46:18,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 397 transitions, 7158 flow, removed 54 selfloop flow, removed 5 redundant places. [2021-03-26 17:46:18,624 INFO L241 Difference]: Finished difference. Result has 266 places, 384 transitions, 6429 flow [2021-03-26 17:46:18,624 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=6036, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6429, PETRI_PLACES=266, PETRI_TRANSITIONS=384} [2021-03-26 17:46:18,624 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 227 predicate places. [2021-03-26 17:46:18,625 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:18,625 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 384 transitions, 6429 flow [2021-03-26 17:46:18,625 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 384 transitions, 6429 flow [2021-03-26 17:46:18,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 384 transitions, 6429 flow [2021-03-26 17:46:18,733 INFO L129 PetriNetUnfolder]: 389/793 cut-off events. [2021-03-26 17:46:18,733 INFO L130 PetriNetUnfolder]: For 17770/17979 co-relation queries the response was YES. [2021-03-26 17:46:18,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7609 conditions, 793 events. 389/793 cut-off events. For 17770/17979 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4746 event pairs, 35 based on Foata normal form. 16/782 useless extension candidates. Maximal degree in co-relation 7489. Up to 403 conditions per place. [2021-03-26 17:46:18,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 436 [2021-03-26 17:46:18,773 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:18,773 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:18,773 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-03-26 17:46:18,774 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 384 transitions, 6429 flow [2021-03-26 17:46:18,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:18,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:18,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:18,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 17:46:18,774 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:18,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:18,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1161889156, now seen corresponding path program 5 times [2021-03-26 17:46:18,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:18,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698691987] [2021-03-26 17:46:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:18,787 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:18,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:18,792 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:18,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:18,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:18,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:18,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:18,819 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:18,843 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:18,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:18,869 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:18,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:18,901 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:18,927 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:18,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:18,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:18,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:18,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698691987] [2021-03-26 17:46:18,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:18,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:18,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752688353] [2021-03-26 17:46:18,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:18,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:18,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:18,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:18,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:18,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 384 transitions, 6429 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:18,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:18,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:18,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:19,494 INFO L129 PetriNetUnfolder]: 596/1097 cut-off events. [2021-03-26 17:46:19,494 INFO L130 PetriNetUnfolder]: For 22326/22357 co-relation queries the response was YES. [2021-03-26 17:46:19,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10835 conditions, 1097 events. 596/1097 cut-off events. For 22326/22357 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6127 event pairs, 110 based on Foata normal form. 13/1107 useless extension candidates. Maximal degree in co-relation 10711. Up to 987 conditions per place. [2021-03-26 17:46:19,511 INFO L132 encePairwiseOnDemand]: 91/109 looper letters, 341 selfloop transitions, 51 changer transitions 2/402 dead transitions. [2021-03-26 17:46:19,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 402 transitions, 7546 flow [2021-03-26 17:46:19,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 384 transitions. [2021-03-26 17:46:19,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29357798165137616 [2021-03-26 17:46:19,512 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 384 transitions. [2021-03-26 17:46:19,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 384 transitions. [2021-03-26 17:46:19,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:19,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 384 transitions. [2021-03-26 17:46:19,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.0) internal successors, (384), 12 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:19,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:19,514 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:19,514 INFO L185 Difference]: Start difference. First operand has 265 places, 384 transitions, 6429 flow. Second operand 12 states and 384 transitions. [2021-03-26 17:46:19,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 402 transitions, 7546 flow [2021-03-26 17:46:19,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 402 transitions, 7259 flow, removed 56 selfloop flow, removed 7 redundant places. [2021-03-26 17:46:19,650 INFO L241 Difference]: Finished difference. Result has 274 places, 394 transitions, 6515 flow [2021-03-26 17:46:19,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=6142, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=6515, PETRI_PLACES=274, PETRI_TRANSITIONS=394} [2021-03-26 17:46:19,651 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 235 predicate places. [2021-03-26 17:46:19,652 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:19,652 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 394 transitions, 6515 flow [2021-03-26 17:46:19,652 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 394 transitions, 6515 flow [2021-03-26 17:46:19,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 394 transitions, 6515 flow [2021-03-26 17:46:19,770 INFO L129 PetriNetUnfolder]: 393/813 cut-off events. [2021-03-26 17:46:19,770 INFO L130 PetriNetUnfolder]: For 19116/19278 co-relation queries the response was YES. [2021-03-26 17:46:19,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7811 conditions, 813 events. 393/813 cut-off events. For 19116/19278 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 4956 event pairs, 34 based on Foata normal form. 16/806 useless extension candidates. Maximal degree in co-relation 7686. Up to 404 conditions per place. [2021-03-26 17:46:19,785 INFO L142 LiptonReduction]: Number of co-enabled transitions 442 [2021-03-26 17:46:19,810 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:19,810 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:19,810 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-03-26 17:46:19,811 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 394 transitions, 6515 flow [2021-03-26 17:46:19,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:19,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:19,811 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:19,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 17:46:19,811 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:19,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:19,812 INFO L82 PathProgramCache]: Analyzing trace with hash 978337340, now seen corresponding path program 6 times [2021-03-26 17:46:19,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:19,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017755320] [2021-03-26 17:46:19,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:19,833 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:19,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:19,838 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:19,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:19,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:19,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:19,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:19,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:19,866 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:19,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:19,887 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:19,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:19,912 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:19,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:19,938 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:19,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:19,963 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:19,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:19,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:19,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:19,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017755320] [2021-03-26 17:46:19,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:19,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:19,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396280589] [2021-03-26 17:46:19,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:19,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:19,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:19,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:19,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:19,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 394 transitions, 6515 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:19,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:19,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:19,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:20,611 INFO L129 PetriNetUnfolder]: 605/1114 cut-off events. [2021-03-26 17:46:20,611 INFO L130 PetriNetUnfolder]: For 23537/23568 co-relation queries the response was YES. [2021-03-26 17:46:20,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11119 conditions, 1114 events. 605/1114 cut-off events. For 23537/23568 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 6274 event pairs, 110 based on Foata normal form. 13/1124 useless extension candidates. Maximal degree in co-relation 10990. Up to 981 conditions per place. [2021-03-26 17:46:20,622 INFO L132 encePairwiseOnDemand]: 90/109 looper letters, 342 selfloop transitions, 71 changer transitions 2/423 dead transitions. [2021-03-26 17:46:20,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 423 transitions, 7899 flow [2021-03-26 17:46:20,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:46:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:46:20,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 479 transitions. [2021-03-26 17:46:20,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2929663608562691 [2021-03-26 17:46:20,624 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 479 transitions. [2021-03-26 17:46:20,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 479 transitions. [2021-03-26 17:46:20,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:20,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 479 transitions. [2021-03-26 17:46:20,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.933333333333334) internal successors, (479), 15 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:20,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:20,626 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 109.0) internal successors, (1744), 16 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:20,626 INFO L185 Difference]: Start difference. First operand has 273 places, 394 transitions, 6515 flow. Second operand 15 states and 479 transitions. [2021-03-26 17:46:20,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 423 transitions, 7899 flow [2021-03-26 17:46:20,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 423 transitions, 7715 flow, removed 59 selfloop flow, removed 5 redundant places. [2021-03-26 17:46:20,755 INFO L241 Difference]: Finished difference. Result has 289 places, 415 transitions, 6983 flow [2021-03-26 17:46:20,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=6331, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6983, PETRI_PLACES=289, PETRI_TRANSITIONS=415} [2021-03-26 17:46:20,755 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 250 predicate places. [2021-03-26 17:46:20,755 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:20,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 289 places, 415 transitions, 6983 flow [2021-03-26 17:46:20,756 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 289 places, 415 transitions, 6983 flow [2021-03-26 17:46:20,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 415 transitions, 6983 flow [2021-03-26 17:46:20,896 INFO L129 PetriNetUnfolder]: 403/833 cut-off events. [2021-03-26 17:46:20,896 INFO L130 PetriNetUnfolder]: For 21394/21603 co-relation queries the response was YES. [2021-03-26 17:46:20,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8200 conditions, 833 events. 403/833 cut-off events. For 21394/21603 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5094 event pairs, 28 based on Foata normal form. 18/824 useless extension candidates. Maximal degree in co-relation 8068. Up to 415 conditions per place. [2021-03-26 17:46:20,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 466 [2021-03-26 17:46:20,936 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:20,936 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:20,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 181 [2021-03-26 17:46:20,937 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 415 transitions, 6983 flow [2021-03-26 17:46:20,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:20,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:20,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:20,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 17:46:20,937 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:20,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:20,937 INFO L82 PathProgramCache]: Analyzing trace with hash -609331237, now seen corresponding path program 1 times [2021-03-26 17:46:20,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:20,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461917541] [2021-03-26 17:46:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:20,957 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:20,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:20,962 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:20,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:20,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:20,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:20,982 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:20,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:21,003 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:21,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:21,026 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:21,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:21,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:21,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:21,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:21,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:21,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:21,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:21,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:21,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:21,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461917541] [2021-03-26 17:46:21,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:21,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:21,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027147314] [2021-03-26 17:46:21,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:21,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:21,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:21,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:21,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 109 [2021-03-26 17:46:21,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 415 transitions, 6983 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:21,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:21,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 109 [2021-03-26 17:46:21,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:21,632 INFO L129 PetriNetUnfolder]: 610/1138 cut-off events. [2021-03-26 17:46:21,632 INFO L130 PetriNetUnfolder]: For 27289/27333 co-relation queries the response was YES. [2021-03-26 17:46:21,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11562 conditions, 1138 events. 610/1138 cut-off events. For 27289/27333 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 6492 event pairs, 107 based on Foata normal form. 23/1158 useless extension candidates. Maximal degree in co-relation 11426. Up to 905 conditions per place. [2021-03-26 17:46:21,645 INFO L132 encePairwiseOnDemand]: 81/109 looper letters, 253 selfloop transitions, 168 changer transitions 2/431 dead transitions. [2021-03-26 17:46:21,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 431 transitions, 8183 flow [2021-03-26 17:46:21,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 420 transitions. [2021-03-26 17:46:21,646 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3211009174311927 [2021-03-26 17:46:21,646 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 420 transitions. [2021-03-26 17:46:21,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 420 transitions. [2021-03-26 17:46:21,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:21,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 420 transitions. [2021-03-26 17:46:21,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 35.0) internal successors, (420), 12 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:21,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:21,648 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:21,648 INFO L185 Difference]: Start difference. First operand has 288 places, 415 transitions, 6983 flow. Second operand 12 states and 420 transitions. [2021-03-26 17:46:21,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 431 transitions, 8183 flow [2021-03-26 17:46:21,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 431 transitions, 7893 flow, removed 129 selfloop flow, removed 4 redundant places. [2021-03-26 17:46:21,783 INFO L241 Difference]: Finished difference. Result has 298 places, 423 transitions, 7303 flow [2021-03-26 17:46:21,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=6693, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7303, PETRI_PLACES=298, PETRI_TRANSITIONS=423} [2021-03-26 17:46:21,784 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 259 predicate places. [2021-03-26 17:46:21,784 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:21,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 423 transitions, 7303 flow [2021-03-26 17:46:21,784 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 423 transitions, 7303 flow [2021-03-26 17:46:21,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 423 transitions, 7303 flow [2021-03-26 17:46:21,881 INFO L129 PetriNetUnfolder]: 404/852 cut-off events. [2021-03-26 17:46:21,881 INFO L130 PetriNetUnfolder]: For 22468/22631 co-relation queries the response was YES. [2021-03-26 17:46:21,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8578 conditions, 852 events. 404/852 cut-off events. For 22468/22631 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 5332 event pairs, 25 based on Foata normal form. 17/843 useless extension candidates. Maximal degree in co-relation 8442. Up to 417 conditions per place. [2021-03-26 17:46:21,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 488 [2021-03-26 17:46:21,956 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:46:21,956 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:46:21,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 172 [2021-03-26 17:46:21,956 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 423 transitions, 7316 flow [2021-03-26 17:46:21,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:21,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:21,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:21,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 17:46:21,957 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:21,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:21,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1492061527, now seen corresponding path program 1 times [2021-03-26 17:46:21,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:21,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529993027] [2021-03-26 17:46:21,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:21,976 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:21,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:21,983 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:21,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:21,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:21,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:21,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:21,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:22,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:22,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:22,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:22,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:22,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:22,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:22,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:22,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:22,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:22,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:22,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:22,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:22,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529993027] [2021-03-26 17:46:22,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:22,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:22,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154947540] [2021-03-26 17:46:22,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:22,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:22,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:22,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:22,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 110 [2021-03-26 17:46:22,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 423 transitions, 7316 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:22,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:22,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 110 [2021-03-26 17:46:22,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:22,666 INFO L129 PetriNetUnfolder]: 619/1163 cut-off events. [2021-03-26 17:46:22,667 INFO L130 PetriNetUnfolder]: For 28222/28253 co-relation queries the response was YES. [2021-03-26 17:46:22,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12168 conditions, 1163 events. 619/1163 cut-off events. For 28222/28253 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6736 event pairs, 109 based on Foata normal form. 13/1173 useless extension candidates. Maximal degree in co-relation 12027. Up to 984 conditions per place. [2021-03-26 17:46:22,679 INFO L132 encePairwiseOnDemand]: 84/110 looper letters, 324 selfloop transitions, 120 changer transitions 3/455 dead transitions. [2021-03-26 17:46:22,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 455 transitions, 8922 flow [2021-03-26 17:46:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:46:22,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:46:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 465 transitions. [2021-03-26 17:46:22,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30194805194805197 [2021-03-26 17:46:22,681 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 465 transitions. [2021-03-26 17:46:22,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 465 transitions. [2021-03-26 17:46:22,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:22,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 465 transitions. [2021-03-26 17:46:22,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.214285714285715) internal successors, (465), 14 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:22,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 110.0) internal successors, (1650), 15 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:22,683 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 110.0) internal successors, (1650), 15 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:22,683 INFO L185 Difference]: Start difference. First operand has 298 places, 423 transitions, 7316 flow. Second operand 14 states and 465 transitions. [2021-03-26 17:46:22,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 455 transitions, 8922 flow [2021-03-26 17:46:22,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 455 transitions, 8520 flow, removed 98 selfloop flow, removed 7 redundant places. [2021-03-26 17:46:22,832 INFO L241 Difference]: Finished difference. Result has 308 places, 440 transitions, 7697 flow [2021-03-26 17:46:22,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=6922, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7697, PETRI_PLACES=308, PETRI_TRANSITIONS=440} [2021-03-26 17:46:22,832 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 269 predicate places. [2021-03-26 17:46:22,832 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:22,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 308 places, 440 transitions, 7697 flow [2021-03-26 17:46:22,833 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 308 places, 440 transitions, 7697 flow [2021-03-26 17:46:22,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 440 transitions, 7697 flow [2021-03-26 17:46:22,928 INFO L129 PetriNetUnfolder]: 414/880 cut-off events. [2021-03-26 17:46:22,928 INFO L130 PetriNetUnfolder]: For 22927/23064 co-relation queries the response was YES. [2021-03-26 17:46:22,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8924 conditions, 880 events. 414/880 cut-off events. For 22927/23064 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5569 event pairs, 35 based on Foata normal form. 17/878 useless extension candidates. Maximal degree in co-relation 8784. Up to 420 conditions per place. [2021-03-26 17:46:22,942 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 17:46:22,962 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:22,962 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:22,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 17:46:22,963 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 440 transitions, 7697 flow [2021-03-26 17:46:22,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:22,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:22,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:22,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 17:46:22,963 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:22,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:22,963 INFO L82 PathProgramCache]: Analyzing trace with hash 208395491, now seen corresponding path program 4 times [2021-03-26 17:46:22,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:22,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446608560] [2021-03-26 17:46:22,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:22,976 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:22,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:22,980 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:22,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:22,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:22,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:22,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:23,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:23,009 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:46:23,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:23,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:46:23,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:23,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:23,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:23,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446608560] [2021-03-26 17:46:23,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:23,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:23,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962643644] [2021-03-26 17:46:23,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:23,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:23,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:23,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:23,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 110 [2021-03-26 17:46:23,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 440 transitions, 7697 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:23,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:23,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 110 [2021-03-26 17:46:23,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:23,524 INFO L129 PetriNetUnfolder]: 617/1163 cut-off events. [2021-03-26 17:46:23,524 INFO L130 PetriNetUnfolder]: For 28906/28920 co-relation queries the response was YES. [2021-03-26 17:46:23,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12213 conditions, 1163 events. 617/1163 cut-off events. For 28906/28920 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6772 event pairs, 91 based on Foata normal form. 11/1171 useless extension candidates. Maximal degree in co-relation 12068. Up to 1003 conditions per place. [2021-03-26 17:46:23,539 INFO L132 encePairwiseOnDemand]: 86/110 looper letters, 342 selfloop transitions, 96 changer transitions 2/448 dead transitions. [2021-03-26 17:46:23,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 448 transitions, 8715 flow [2021-03-26 17:46:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:46:23,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:46:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 346 transitions. [2021-03-26 17:46:23,540 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3145454545454546 [2021-03-26 17:46:23,540 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 346 transitions. [2021-03-26 17:46:23,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 346 transitions. [2021-03-26 17:46:23,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:23,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 346 transitions. [2021-03-26 17:46:23,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 34.6) internal successors, (346), 10 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:23,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 110.0) internal successors, (1210), 11 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:23,541 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 110.0) internal successors, (1210), 11 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:23,541 INFO L185 Difference]: Start difference. First operand has 307 places, 440 transitions, 7697 flow. Second operand 10 states and 346 transitions. [2021-03-26 17:46:23,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 448 transitions, 8715 flow [2021-03-26 17:46:23,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 448 transitions, 8365 flow, removed 116 selfloop flow, removed 7 redundant places. [2021-03-26 17:46:23,690 INFO L241 Difference]: Finished difference. Result has 311 places, 440 transitions, 7563 flow [2021-03-26 17:46:23,690 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=7347, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7563, PETRI_PLACES=311, PETRI_TRANSITIONS=440} [2021-03-26 17:46:23,691 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 272 predicate places. [2021-03-26 17:46:23,691 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:23,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 311 places, 440 transitions, 7563 flow [2021-03-26 17:46:23,691 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 311 places, 440 transitions, 7563 flow [2021-03-26 17:46:23,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 310 places, 440 transitions, 7563 flow [2021-03-26 17:46:23,822 INFO L129 PetriNetUnfolder]: 415/878 cut-off events. [2021-03-26 17:46:23,822 INFO L130 PetriNetUnfolder]: For 23685/23827 co-relation queries the response was YES. [2021-03-26 17:46:23,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8970 conditions, 878 events. 415/878 cut-off events. For 23685/23827 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5576 event pairs, 39 based on Foata normal form. 19/871 useless extension candidates. Maximal degree in co-relation 8848. Up to 403 conditions per place. [2021-03-26 17:46:23,835 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 17:46:23,855 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:23,856 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:23,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165 [2021-03-26 17:46:23,856 INFO L480 AbstractCegarLoop]: Abstraction has has 310 places, 440 transitions, 7563 flow [2021-03-26 17:46:23,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:23,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:23,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:23,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 17:46:23,856 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:23,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:23,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1114120167, now seen corresponding path program 5 times [2021-03-26 17:46:23,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:23,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254089406] [2021-03-26 17:46:23,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:23,867 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:23,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:23,872 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:23,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:23,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:23,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:23,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:23,909 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:23,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:23,939 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:23,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:23,965 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:23,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:23,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:23,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:24,004 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:24,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:24,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254089406] [2021-03-26 17:46:24,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:24,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:24,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948540208] [2021-03-26 17:46:24,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:24,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:24,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:24,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:24,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 110 [2021-03-26 17:46:24,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 440 transitions, 7563 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:24,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:24,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 110 [2021-03-26 17:46:24,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:24,526 INFO L129 PetriNetUnfolder]: 616/1161 cut-off events. [2021-03-26 17:46:24,526 INFO L130 PetriNetUnfolder]: For 29510/29541 co-relation queries the response was YES. [2021-03-26 17:46:24,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12233 conditions, 1161 events. 616/1161 cut-off events. For 29510/29541 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6741 event pairs, 94 based on Foata normal form. 13/1171 useless extension candidates. Maximal degree in co-relation 12109. Up to 1048 conditions per place. [2021-03-26 17:46:24,546 INFO L132 encePairwiseOnDemand]: 93/110 looper letters, 390 selfloop transitions, 40 changer transitions 3/441 dead transitions. [2021-03-26 17:46:24,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 441 transitions, 8433 flow [2021-03-26 17:46:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 377 transitions. [2021-03-26 17:46:24,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2856060606060606 [2021-03-26 17:46:24,547 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 377 transitions. [2021-03-26 17:46:24,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 377 transitions. [2021-03-26 17:46:24,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:24,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 377 transitions. [2021-03-26 17:46:24,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 12 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:24,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:24,549 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:24,549 INFO L185 Difference]: Start difference. First operand has 310 places, 440 transitions, 7563 flow. Second operand 12 states and 377 transitions. [2021-03-26 17:46:24,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 441 transitions, 8433 flow [2021-03-26 17:46:24,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 441 transitions, 8218 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:24,716 INFO L241 Difference]: Finished difference. Result has 312 places, 437 transitions, 7402 flow [2021-03-26 17:46:24,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=7348, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7402, PETRI_PLACES=312, PETRI_TRANSITIONS=437} [2021-03-26 17:46:24,716 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 273 predicate places. [2021-03-26 17:46:24,716 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:24,717 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 437 transitions, 7402 flow [2021-03-26 17:46:24,717 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 437 transitions, 7402 flow [2021-03-26 17:46:24,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 437 transitions, 7402 flow [2021-03-26 17:46:24,810 INFO L129 PetriNetUnfolder]: 411/872 cut-off events. [2021-03-26 17:46:24,810 INFO L130 PetriNetUnfolder]: For 23455/23631 co-relation queries the response was YES. [2021-03-26 17:46:24,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8785 conditions, 872 events. 411/872 cut-off events. For 23455/23631 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5580 event pairs, 30 based on Foata normal form. 26/870 useless extension candidates. Maximal degree in co-relation 8664. Up to 402 conditions per place. [2021-03-26 17:46:24,822 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 17:46:24,893 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:24,893 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:46:24,893 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 17:46:24,893 INFO L480 AbstractCegarLoop]: Abstraction has has 306 places, 436 transitions, 7396 flow [2021-03-26 17:46:24,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:24,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:24,893 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:24,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 17:46:24,893 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:24,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:24,894 INFO L82 PathProgramCache]: Analyzing trace with hash 896299307, now seen corresponding path program 6 times [2021-03-26 17:46:24,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:24,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277920724] [2021-03-26 17:46:24,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:24,904 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:24,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:24,909 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:24,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:24,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:24,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:24,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:24,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:24,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:24,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:24,947 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:24,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:24,970 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:46:24,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:24,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:24,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:25,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:25,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:25,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:25,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:25,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277920724] [2021-03-26 17:46:25,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:25,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:25,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408645945] [2021-03-26 17:46:25,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:25,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:25,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:25,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:25,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:25,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 436 transitions, 7396 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:25,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:25,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:25,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:25,519 INFO L129 PetriNetUnfolder]: 615/1152 cut-off events. [2021-03-26 17:46:25,519 INFO L130 PetriNetUnfolder]: For 27380/27411 co-relation queries the response was YES. [2021-03-26 17:46:25,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12004 conditions, 1152 events. 615/1152 cut-off events. For 27380/27411 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6649 event pairs, 115 based on Foata normal form. 13/1162 useless extension candidates. Maximal degree in co-relation 11881. Up to 1046 conditions per place. [2021-03-26 17:46:25,532 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 389 selfloop transitions, 34 changer transitions 6/437 dead transitions. [2021-03-26 17:46:25,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 437 transitions, 8258 flow [2021-03-26 17:46:25,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 348 transitions. [2021-03-26 17:46:25,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28501228501228504 [2021-03-26 17:46:25,533 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 348 transitions. [2021-03-26 17:46:25,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 348 transitions. [2021-03-26 17:46:25,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:25,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 348 transitions. [2021-03-26 17:46:25,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 31.636363636363637) internal successors, (348), 11 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:25,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:25,535 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:25,535 INFO L185 Difference]: Start difference. First operand has 306 places, 436 transitions, 7396 flow. Second operand 11 states and 348 transitions. [2021-03-26 17:46:25,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 437 transitions, 8258 flow [2021-03-26 17:46:25,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 437 transitions, 8116 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-26 17:46:25,683 INFO L241 Difference]: Finished difference. Result has 305 places, 430 transitions, 7245 flow [2021-03-26 17:46:25,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7254, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7245, PETRI_PLACES=305, PETRI_TRANSITIONS=430} [2021-03-26 17:46:25,683 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 266 predicate places. [2021-03-26 17:46:25,684 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:25,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 430 transitions, 7245 flow [2021-03-26 17:46:25,684 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 430 transitions, 7245 flow [2021-03-26 17:46:25,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 430 transitions, 7245 flow [2021-03-26 17:46:25,778 INFO L129 PetriNetUnfolder]: 418/873 cut-off events. [2021-03-26 17:46:25,779 INFO L130 PetriNetUnfolder]: For 21591/21768 co-relation queries the response was YES. [2021-03-26 17:46:25,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8656 conditions, 873 events. 418/873 cut-off events. For 21591/21768 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 5454 event pairs, 27 based on Foata normal form. 18/864 useless extension candidates. Maximal degree in co-relation 8538. Up to 408 conditions per place. [2021-03-26 17:46:25,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 17:46:25,811 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:25,811 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:25,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-03-26 17:46:25,812 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 430 transitions, 7245 flow [2021-03-26 17:46:25,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:25,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:25,812 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:25,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 17:46:25,812 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:25,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:25,812 INFO L82 PathProgramCache]: Analyzing trace with hash 510312562, now seen corresponding path program 7 times [2021-03-26 17:46:25,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:25,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564001355] [2021-03-26 17:46:25,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:25,828 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:25,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:25,832 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:25,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:25,849 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:25,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:25,870 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:25,890 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:25,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:25,895 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:46:25,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:25,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:25,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:25,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:25,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:25,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:25,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:25,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564001355] [2021-03-26 17:46:25,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:25,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:25,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10033906] [2021-03-26 17:46:25,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:25,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:25,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:25,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:25,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:25,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 430 transitions, 7245 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:25,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:25,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:25,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:26,561 INFO L129 PetriNetUnfolder]: 616/1156 cut-off events. [2021-03-26 17:46:26,561 INFO L130 PetriNetUnfolder]: For 25974/26005 co-relation queries the response was YES. [2021-03-26 17:46:26,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11798 conditions, 1156 events. 616/1156 cut-off events. For 25974/26005 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6721 event pairs, 87 based on Foata normal form. 16/1170 useless extension candidates. Maximal degree in co-relation 11678. Up to 881 conditions per place. [2021-03-26 17:46:26,575 INFO L132 encePairwiseOnDemand]: 82/111 looper letters, 245 selfloop transitions, 189 changer transitions 2/444 dead transitions. [2021-03-26 17:46:26,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 444 transitions, 8351 flow [2021-03-26 17:46:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 453 transitions. [2021-03-26 17:46:26,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31392931392931395 [2021-03-26 17:46:26,576 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 453 transitions. [2021-03-26 17:46:26,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 453 transitions. [2021-03-26 17:46:26,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:26,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 453 transitions. [2021-03-26 17:46:26,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 34.84615384615385) internal successors, (453), 13 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:26,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:26,578 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:26,578 INFO L185 Difference]: Start difference. First operand has 294 places, 430 transitions, 7245 flow. Second operand 13 states and 453 transitions. [2021-03-26 17:46:26,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 444 transitions, 8351 flow [2021-03-26 17:46:26,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 444 transitions, 8161 flow, removed 18 selfloop flow, removed 11 redundant places. [2021-03-26 17:46:26,718 INFO L241 Difference]: Finished difference. Result has 298 places, 433 transitions, 7581 flow [2021-03-26 17:46:26,718 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7063, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7581, PETRI_PLACES=298, PETRI_TRANSITIONS=433} [2021-03-26 17:46:26,718 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 259 predicate places. [2021-03-26 17:46:26,718 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:26,718 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 433 transitions, 7581 flow [2021-03-26 17:46:26,718 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 433 transitions, 7581 flow [2021-03-26 17:46:26,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 433 transitions, 7581 flow [2021-03-26 17:46:26,818 INFO L129 PetriNetUnfolder]: 416/873 cut-off events. [2021-03-26 17:46:26,818 INFO L130 PetriNetUnfolder]: For 21428/21578 co-relation queries the response was YES. [2021-03-26 17:46:26,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8767 conditions, 873 events. 416/873 cut-off events. For 21428/21578 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5523 event pairs, 33 based on Foata normal form. 15/861 useless extension candidates. Maximal degree in co-relation 8628. Up to 411 conditions per place. [2021-03-26 17:46:26,829 INFO L142 LiptonReduction]: Number of co-enabled transitions 500 [2021-03-26 17:46:26,848 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:26,848 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:26,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 17:46:26,849 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 433 transitions, 7581 flow [2021-03-26 17:46:26,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:26,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:26,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:26,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 17:46:26,849 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:26,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:26,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1921371250, now seen corresponding path program 8 times [2021-03-26 17:46:26,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:26,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597647354] [2021-03-26 17:46:26,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:26,863 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:26,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:26,868 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:26,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:26,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:26,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:26,883 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:26,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:26,901 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:26,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:26,919 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:26,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:26,938 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:26,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:26,959 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:26,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:26,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:26,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:26,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:26,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597647354] [2021-03-26 17:46:26,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:26,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:26,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758862127] [2021-03-26 17:46:26,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:26,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:26,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:26,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:26,990 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:26,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 433 transitions, 7581 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:26,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:26,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:26,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:27,713 INFO L129 PetriNetUnfolder]: 615/1156 cut-off events. [2021-03-26 17:46:27,713 INFO L130 PetriNetUnfolder]: For 25701/25732 co-relation queries the response was YES. [2021-03-26 17:46:27,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11881 conditions, 1156 events. 615/1156 cut-off events. For 25701/25732 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6695 event pairs, 103 based on Foata normal form. 13/1166 useless extension candidates. Maximal degree in co-relation 11743. Up to 919 conditions per place. [2021-03-26 17:46:27,726 INFO L132 encePairwiseOnDemand]: 83/111 looper letters, 250 selfloop transitions, 181 changer transitions 5/444 dead transitions. [2021-03-26 17:46:27,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 444 transitions, 8626 flow [2021-03-26 17:46:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 17:46:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 17:46:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 675 transitions. [2021-03-26 17:46:27,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28957528957528955 [2021-03-26 17:46:27,727 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 675 transitions. [2021-03-26 17:46:27,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 675 transitions. [2021-03-26 17:46:27,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:27,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 675 transitions. [2021-03-26 17:46:27,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.142857142857146) internal successors, (675), 21 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:27,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 111.0) internal successors, (2442), 22 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:27,730 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 111.0) internal successors, (2442), 22 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:27,730 INFO L185 Difference]: Start difference. First operand has 298 places, 433 transitions, 7581 flow. Second operand 21 states and 675 transitions. [2021-03-26 17:46:27,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 444 transitions, 8626 flow [2021-03-26 17:46:27,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 444 transitions, 8320 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-03-26 17:46:27,857 INFO L241 Difference]: Finished difference. Result has 309 places, 429 transitions, 7594 flow [2021-03-26 17:46:27,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7287, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=7594, PETRI_PLACES=309, PETRI_TRANSITIONS=429} [2021-03-26 17:46:27,858 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 270 predicate places. [2021-03-26 17:46:27,858 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:27,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 429 transitions, 7594 flow [2021-03-26 17:46:27,858 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 429 transitions, 7594 flow [2021-03-26 17:46:27,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 303 places, 429 transitions, 7594 flow [2021-03-26 17:46:27,954 INFO L129 PetriNetUnfolder]: 415/867 cut-off events. [2021-03-26 17:46:27,954 INFO L130 PetriNetUnfolder]: For 20017/20173 co-relation queries the response was YES. [2021-03-26 17:46:27,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8811 conditions, 867 events. 415/867 cut-off events. For 20017/20173 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5426 event pairs, 29 based on Foata normal form. 18/852 useless extension candidates. Maximal degree in co-relation 8696. Up to 408 conditions per place. [2021-03-26 17:46:27,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 496 [2021-03-26 17:46:27,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:27,988 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:27,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 17:46:27,988 INFO L480 AbstractCegarLoop]: Abstraction has has 303 places, 429 transitions, 7594 flow [2021-03-26 17:46:27,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:27,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:27,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:27,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 17:46:27,989 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:27,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:27,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1718768969, now seen corresponding path program 2 times [2021-03-26 17:46:27,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:27,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638640611] [2021-03-26 17:46:27,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:28,000 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:28,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:28,005 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:28,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:28,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:28,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:28,022 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:28,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:28,041 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:28,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:28,062 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:28,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:28,084 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:28,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:28,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:28,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:28,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:28,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:28,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:28,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638640611] [2021-03-26 17:46:28,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:28,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:28,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910284551] [2021-03-26 17:46:28,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:28,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:28,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:28,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:28,132 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:28,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 429 transitions, 7594 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:28,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:28,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:28,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:28,858 INFO L129 PetriNetUnfolder]: 623/1179 cut-off events. [2021-03-26 17:46:28,858 INFO L130 PetriNetUnfolder]: For 26429/26460 co-relation queries the response was YES. [2021-03-26 17:46:28,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12263 conditions, 1179 events. 623/1179 cut-off events. For 26429/26460 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 6904 event pairs, 113 based on Foata normal form. 14/1190 useless extension candidates. Maximal degree in co-relation 12146. Up to 954 conditions per place. [2021-03-26 17:46:28,872 INFO L132 encePairwiseOnDemand]: 83/111 looper letters, 265 selfloop transitions, 176 changer transitions 3/452 dead transitions. [2021-03-26 17:46:28,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 452 transitions, 9056 flow [2021-03-26 17:46:28,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 17:46:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 17:46:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 673 transitions. [2021-03-26 17:46:28,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28871728871728874 [2021-03-26 17:46:28,874 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 673 transitions. [2021-03-26 17:46:28,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 673 transitions. [2021-03-26 17:46:28,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:28,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 673 transitions. [2021-03-26 17:46:28,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.04761904761905) internal successors, (673), 21 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) [2021-03-26 17:46:28,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 111.0) internal successors, (2442), 22 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:28,876 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 111.0) internal successors, (2442), 22 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:28,876 INFO L185 Difference]: Start difference. First operand has 303 places, 429 transitions, 7594 flow. Second operand 21 states and 673 transitions. [2021-03-26 17:46:28,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 452 transitions, 9056 flow [2021-03-26 17:46:29,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 452 transitions, 8708 flow, removed 3 selfloop flow, removed 18 redundant places. [2021-03-26 17:46:29,011 INFO L241 Difference]: Finished difference. Result has 309 places, 439 transitions, 7989 flow [2021-03-26 17:46:29,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7246, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=7989, PETRI_PLACES=309, PETRI_TRANSITIONS=439} [2021-03-26 17:46:29,011 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 270 predicate places. [2021-03-26 17:46:29,011 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:29,011 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 439 transitions, 7989 flow [2021-03-26 17:46:29,011 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 439 transitions, 7989 flow [2021-03-26 17:46:29,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 309 places, 439 transitions, 7989 flow [2021-03-26 17:46:29,109 INFO L129 PetriNetUnfolder]: 415/886 cut-off events. [2021-03-26 17:46:29,109 INFO L130 PetriNetUnfolder]: For 24954/25211 co-relation queries the response was YES. [2021-03-26 17:46:29,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9190 conditions, 886 events. 415/886 cut-off events. For 24954/25211 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 5644 event pairs, 27 based on Foata normal form. 23/880 useless extension candidates. Maximal degree in co-relation 9053. Up to 420 conditions per place. [2021-03-26 17:46:29,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 508 [2021-03-26 17:46:29,142 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:29,142 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:29,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-03-26 17:46:29,143 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 439 transitions, 7989 flow [2021-03-26 17:46:29,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:29,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:29,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:29,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 17:46:29,143 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:29,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:29,143 INFO L82 PathProgramCache]: Analyzing trace with hash -987657467, now seen corresponding path program 3 times [2021-03-26 17:46:29,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:29,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957051364] [2021-03-26 17:46:29,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:29,155 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:29,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:29,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:29,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:29,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:29,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:29,174 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:29,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:29,191 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:29,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:29,210 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:29,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:29,230 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:29,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:29,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:29,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:29,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:29,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:29,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:29,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:29,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957051364] [2021-03-26 17:46:29,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:29,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:29,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121517422] [2021-03-26 17:46:29,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:29,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:29,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:29,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:29,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:29,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 439 transitions, 7989 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:29,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:29,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:29,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:30,106 INFO L129 PetriNetUnfolder]: 631/1204 cut-off events. [2021-03-26 17:46:30,107 INFO L130 PetriNetUnfolder]: For 30060/30074 co-relation queries the response was YES. [2021-03-26 17:46:30,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12777 conditions, 1204 events. 631/1204 cut-off events. For 30060/30074 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7125 event pairs, 112 based on Foata normal form. 12/1213 useless extension candidates. Maximal degree in co-relation 12637. Up to 929 conditions per place. [2021-03-26 17:46:30,119 INFO L132 encePairwiseOnDemand]: 83/111 looper letters, 263 selfloop transitions, 198 changer transitions 3/472 dead transitions. [2021-03-26 17:46:30,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 472 transitions, 9720 flow [2021-03-26 17:46:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 17:46:30,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 17:46:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 717 transitions. [2021-03-26 17:46:30,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2936117936117936 [2021-03-26 17:46:30,120 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 717 transitions. [2021-03-26 17:46:30,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 717 transitions. [2021-03-26 17:46:30,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:30,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 717 transitions. [2021-03-26 17:46:30,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 32.59090909090909) internal successors, (717), 22 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:30,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 111.0) internal successors, (2553), 23 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:30,123 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 111.0) internal successors, (2553), 23 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:30,123 INFO L185 Difference]: Start difference. First operand has 309 places, 439 transitions, 7989 flow. Second operand 22 states and 717 transitions. [2021-03-26 17:46:30,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 472 transitions, 9720 flow [2021-03-26 17:46:30,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 472 transitions, 9099 flow, removed 167 selfloop flow, removed 15 redundant places. [2021-03-26 17:46:30,282 INFO L241 Difference]: Finished difference. Result has 319 places, 456 transitions, 8347 flow [2021-03-26 17:46:30,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7368, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=8347, PETRI_PLACES=319, PETRI_TRANSITIONS=456} [2021-03-26 17:46:30,282 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 280 predicate places. [2021-03-26 17:46:30,282 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:30,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 456 transitions, 8347 flow [2021-03-26 17:46:30,282 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 456 transitions, 8347 flow [2021-03-26 17:46:30,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 456 transitions, 8347 flow [2021-03-26 17:46:30,382 INFO L129 PetriNetUnfolder]: 419/904 cut-off events. [2021-03-26 17:46:30,382 INFO L130 PetriNetUnfolder]: For 26628/26800 co-relation queries the response was YES. [2021-03-26 17:46:30,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9549 conditions, 904 events. 419/904 cut-off events. For 26628/26800 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 5880 event pairs, 30 based on Foata normal form. 21/891 useless extension candidates. Maximal degree in co-relation 9407. Up to 402 conditions per place. [2021-03-26 17:46:30,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 17:46:30,416 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:30,416 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:30,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 134 [2021-03-26 17:46:30,417 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 456 transitions, 8347 flow [2021-03-26 17:46:30,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:30,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:30,417 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:30,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 17:46:30,417 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:30,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:30,417 INFO L82 PathProgramCache]: Analyzing trace with hash 507629820, now seen corresponding path program 1 times [2021-03-26 17:46:30,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:30,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253715891] [2021-03-26 17:46:30,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:30,427 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:30,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:30,434 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:30,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:30,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:30,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:30,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:30,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:30,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:30,468 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:46:30,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:46:30,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:30,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:30,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:30,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:30,514 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:46:30,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:30,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:46:30,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:30,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253715891] [2021-03-26 17:46:30,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:30,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:30,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001592631] [2021-03-26 17:46:30,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:30,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:30,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:30,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:30,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:30,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 456 transitions, 8347 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:30,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:30,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:30,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:31,072 INFO L129 PetriNetUnfolder]: 636/1215 cut-off events. [2021-03-26 17:46:31,072 INFO L130 PetriNetUnfolder]: For 30434/30465 co-relation queries the response was YES. [2021-03-26 17:46:31,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12933 conditions, 1215 events. 636/1215 cut-off events. For 30434/30465 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7192 event pairs, 120 based on Foata normal form. 13/1225 useless extension candidates. Maximal degree in co-relation 12789. Up to 1060 conditions per place. [2021-03-26 17:46:31,086 INFO L132 encePairwiseOnDemand]: 88/111 looper letters, 365 selfloop transitions, 95 changer transitions 2/470 dead transitions. [2021-03-26 17:46:31,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 470 transitions, 9478 flow [2021-03-26 17:46:31,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:46:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:46:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 458 transitions. [2021-03-26 17:46:31,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2947232947232947 [2021-03-26 17:46:31,087 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 458 transitions. [2021-03-26 17:46:31,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 458 transitions. [2021-03-26 17:46:31,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:31,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 458 transitions. [2021-03-26 17:46:31,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.714285714285715) internal successors, (458), 14 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:31,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:31,088 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:31,088 INFO L185 Difference]: Start difference. First operand has 319 places, 456 transitions, 8347 flow. Second operand 14 states and 458 transitions. [2021-03-26 17:46:31,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 470 transitions, 9478 flow [2021-03-26 17:46:31,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 470 transitions, 8818 flow, removed 188 selfloop flow, removed 14 redundant places. [2021-03-26 17:46:31,255 INFO L241 Difference]: Finished difference. Result has 323 places, 462 transitions, 7992 flow [2021-03-26 17:46:31,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7687, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7992, PETRI_PLACES=323, PETRI_TRANSITIONS=462} [2021-03-26 17:46:31,256 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 284 predicate places. [2021-03-26 17:46:31,256 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:31,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 462 transitions, 7992 flow [2021-03-26 17:46:31,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 462 transitions, 7992 flow [2021-03-26 17:46:31,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 462 transitions, 7992 flow [2021-03-26 17:46:31,381 INFO L129 PetriNetUnfolder]: 427/923 cut-off events. [2021-03-26 17:46:31,381 INFO L130 PetriNetUnfolder]: For 25381/25564 co-relation queries the response was YES. [2021-03-26 17:46:31,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9464 conditions, 923 events. 427/923 cut-off events. For 25381/25564 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 5987 event pairs, 26 based on Foata normal form. 21/912 useless extension candidates. Maximal degree in co-relation 9317. Up to 386 conditions per place. [2021-03-26 17:46:31,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 532 [2021-03-26 17:46:31,420 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:31,421 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:31,421 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165 [2021-03-26 17:46:31,421 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 462 transitions, 7992 flow [2021-03-26 17:46:31,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:31,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:31,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:31,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 17:46:31,421 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:31,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1098754416, now seen corresponding path program 9 times [2021-03-26 17:46:31,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:31,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311272116] [2021-03-26 17:46:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:31,448 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:31,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:31,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:31,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:31,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:31,471 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:31,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:31,498 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:31,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:31,525 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:31,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:31,558 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:31,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:31,585 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:31,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:31,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:31,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:31,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:31,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:31,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311272116] [2021-03-26 17:46:31,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:31,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:31,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436935004] [2021-03-26 17:46:31,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:31,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:31,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:31,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:31,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:31,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 462 transitions, 7992 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:31,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:31,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:31,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:32,349 INFO L129 PetriNetUnfolder]: 635/1215 cut-off events. [2021-03-26 17:46:32,350 INFO L130 PetriNetUnfolder]: For 28528/28559 co-relation queries the response was YES. [2021-03-26 17:46:32,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12658 conditions, 1215 events. 635/1215 cut-off events. For 28528/28559 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7226 event pairs, 119 based on Foata normal form. 13/1225 useless extension candidates. Maximal degree in co-relation 12509. Up to 1017 conditions per place. [2021-03-26 17:46:32,364 INFO L132 encePairwiseOnDemand]: 84/111 looper letters, 298 selfloop transitions, 161 changer transitions 3/470 dead transitions. [2021-03-26 17:46:32,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 470 transitions, 9029 flow [2021-03-26 17:46:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:46:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:46:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 553 transitions. [2021-03-26 17:46:32,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29305776364599895 [2021-03-26 17:46:32,365 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 553 transitions. [2021-03-26 17:46:32,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 553 transitions. [2021-03-26 17:46:32,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:32,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 553 transitions. [2021-03-26 17:46:32,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.529411764705884) internal successors, (553), 17 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) [2021-03-26 17:46:32,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 111.0) internal successors, (1998), 18 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:32,367 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 111.0) internal successors, (1998), 18 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:32,367 INFO L185 Difference]: Start difference. First operand has 322 places, 462 transitions, 7992 flow. Second operand 17 states and 553 transitions. [2021-03-26 17:46:32,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 470 transitions, 9029 flow [2021-03-26 17:46:32,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 470 transitions, 8812 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:32,528 INFO L241 Difference]: Finished difference. Result has 330 places, 460 transitions, 8067 flow [2021-03-26 17:46:32,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7775, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8067, PETRI_PLACES=330, PETRI_TRANSITIONS=460} [2021-03-26 17:46:32,528 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 291 predicate places. [2021-03-26 17:46:32,528 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:32,528 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 330 places, 460 transitions, 8067 flow [2021-03-26 17:46:32,528 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 330 places, 460 transitions, 8067 flow [2021-03-26 17:46:32,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 326 places, 460 transitions, 8067 flow [2021-03-26 17:46:32,628 INFO L129 PetriNetUnfolder]: 422/919 cut-off events. [2021-03-26 17:46:32,628 INFO L130 PetriNetUnfolder]: For 23413/23594 co-relation queries the response was YES. [2021-03-26 17:46:32,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9354 conditions, 919 events. 422/919 cut-off events. For 23413/23594 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6016 event pairs, 28 based on Foata normal form. 17/909 useless extension candidates. Maximal degree in co-relation 9227. Up to 380 conditions per place. [2021-03-26 17:46:32,641 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 17:46:32,663 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:32,664 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:32,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-03-26 17:46:32,664 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 460 transitions, 8067 flow [2021-03-26 17:46:32,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:32,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:32,664 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:32,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 17:46:32,664 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:32,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:32,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1576633531, now seen corresponding path program 4 times [2021-03-26 17:46:32,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:32,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199865921] [2021-03-26 17:46:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:32,675 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:32,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:32,680 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:32,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:32,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:32,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:32,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:32,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:32,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:32,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:32,721 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:32,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:32,742 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:32,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:32,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:32,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:32,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:32,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:32,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199865921] [2021-03-26 17:46:32,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:32,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:32,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580151155] [2021-03-26 17:46:32,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:32,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:32,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:32,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:32,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:32,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 460 transitions, 8067 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:32,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:32,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:32,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:33,339 INFO L129 PetriNetUnfolder]: 636/1217 cut-off events. [2021-03-26 17:46:33,339 INFO L130 PetriNetUnfolder]: For 28776/28814 co-relation queries the response was YES. [2021-03-26 17:46:33,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12742 conditions, 1217 events. 636/1217 cut-off events. For 28776/28814 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7211 event pairs, 138 based on Foata normal form. 14/1227 useless extension candidates. Maximal degree in co-relation 12613. Up to 1086 conditions per place. [2021-03-26 17:46:33,353 INFO L132 encePairwiseOnDemand]: 93/111 looper letters, 413 selfloop transitions, 46 changer transitions 2/469 dead transitions. [2021-03-26 17:46:33,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 469 transitions, 9165 flow [2021-03-26 17:46:33,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 384 transitions. [2021-03-26 17:46:33,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2882882882882883 [2021-03-26 17:46:33,354 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 384 transitions. [2021-03-26 17:46:33,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 384 transitions. [2021-03-26 17:46:33,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:33,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 384 transitions. [2021-03-26 17:46:33,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.0) internal successors, (384), 12 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:33,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:33,356 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:33,356 INFO L185 Difference]: Start difference. First operand has 326 places, 460 transitions, 8067 flow. Second operand 12 states and 384 transitions. [2021-03-26 17:46:33,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 469 transitions, 9165 flow [2021-03-26 17:46:33,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 469 transitions, 8833 flow, removed 4 selfloop flow, removed 16 redundant places. [2021-03-26 17:46:33,523 INFO L241 Difference]: Finished difference. Result has 324 places, 461 transitions, 7888 flow [2021-03-26 17:46:33,523 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7737, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7888, PETRI_PLACES=324, PETRI_TRANSITIONS=461} [2021-03-26 17:46:33,523 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 285 predicate places. [2021-03-26 17:46:33,524 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:33,524 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 324 places, 461 transitions, 7888 flow [2021-03-26 17:46:33,524 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 324 places, 461 transitions, 7888 flow [2021-03-26 17:46:33,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 461 transitions, 7888 flow [2021-03-26 17:46:33,624 INFO L129 PetriNetUnfolder]: 422/921 cut-off events. [2021-03-26 17:46:33,624 INFO L130 PetriNetUnfolder]: For 25592/25792 co-relation queries the response was YES. [2021-03-26 17:46:33,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9321 conditions, 921 events. 422/921 cut-off events. For 25592/25792 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6024 event pairs, 29 based on Foata normal form. 23/915 useless extension candidates. Maximal degree in co-relation 9194. Up to 380 conditions per place. [2021-03-26 17:46:33,637 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 17:46:33,660 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:33,660 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:33,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-03-26 17:46:33,660 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 461 transitions, 7888 flow [2021-03-26 17:46:33,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:33,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:33,660 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:33,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 17:46:33,660 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:33,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:33,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1836719522, now seen corresponding path program 1 times [2021-03-26 17:46:33,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:33,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839594633] [2021-03-26 17:46:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:33,671 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:33,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:33,675 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:33,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:33,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:33,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:33,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:33,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:33,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:33,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:33,711 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:46:33,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:46:33,726 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:46:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:33,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:33,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:33,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:33,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:33,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:33,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:33,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839594633] [2021-03-26 17:46:33,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:33,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:33,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640952578] [2021-03-26 17:46:33,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:33,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:33,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:33,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:33,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:33,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 461 transitions, 7888 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:33,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:33,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:33,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:34,353 INFO L129 PetriNetUnfolder]: 636/1219 cut-off events. [2021-03-26 17:46:34,354 INFO L130 PetriNetUnfolder]: For 28978/28992 co-relation queries the response was YES. [2021-03-26 17:46:34,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12681 conditions, 1219 events. 636/1219 cut-off events. For 28978/28992 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 7274 event pairs, 130 based on Foata normal form. 11/1227 useless extension candidates. Maximal degree in co-relation 12552. Up to 1057 conditions per place. [2021-03-26 17:46:34,370 INFO L132 encePairwiseOnDemand]: 88/111 looper letters, 360 selfloop transitions, 96 changer transitions 7/471 dead transitions. [2021-03-26 17:46:34,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 471 transitions, 8994 flow [2021-03-26 17:46:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:46:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:46:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 514 transitions. [2021-03-26 17:46:34,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2894144144144144 [2021-03-26 17:46:34,372 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 514 transitions. [2021-03-26 17:46:34,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 514 transitions. [2021-03-26 17:46:34,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:34,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 514 transitions. [2021-03-26 17:46:34,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.125) internal successors, (514), 16 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:34,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:34,373 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:34,373 INFO L185 Difference]: Start difference. First operand has 322 places, 461 transitions, 7888 flow. Second operand 16 states and 514 transitions. [2021-03-26 17:46:34,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 471 transitions, 8994 flow [2021-03-26 17:46:34,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 471 transitions, 8863 flow, removed 21 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:34,536 INFO L241 Difference]: Finished difference. Result has 331 places, 458 transitions, 7906 flow [2021-03-26 17:46:34,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7757, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7906, PETRI_PLACES=331, PETRI_TRANSITIONS=458} [2021-03-26 17:46:34,537 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 292 predicate places. [2021-03-26 17:46:34,537 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:34,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 331 places, 458 transitions, 7906 flow [2021-03-26 17:46:34,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 331 places, 458 transitions, 7906 flow [2021-03-26 17:46:34,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 458 transitions, 7906 flow [2021-03-26 17:46:34,638 INFO L129 PetriNetUnfolder]: 430/927 cut-off events. [2021-03-26 17:46:34,639 INFO L130 PetriNetUnfolder]: For 25261/25435 co-relation queries the response was YES. [2021-03-26 17:46:34,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9453 conditions, 927 events. 430/927 cut-off events. For 25261/25435 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5975 event pairs, 41 based on Foata normal form. 17/912 useless extension candidates. Maximal degree in co-relation 9304. Up to 387 conditions per place. [2021-03-26 17:46:34,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-26 17:46:34,676 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:34,676 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:34,676 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-03-26 17:46:34,677 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 458 transitions, 7906 flow [2021-03-26 17:46:34,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:34,677 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:34,677 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:34,677 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 17:46:34,677 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:34,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:34,677 INFO L82 PathProgramCache]: Analyzing trace with hash -2021952978, now seen corresponding path program 10 times [2021-03-26 17:46:34,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:34,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691502004] [2021-03-26 17:46:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:34,692 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:34,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:34,700 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:34,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:34,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:34,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:34,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:34,725 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:34,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:34,749 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:34,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:34,773 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:34,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:34,797 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:34,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:34,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:34,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:34,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:34,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:34,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691502004] [2021-03-26 17:46:34,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:34,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:34,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210401933] [2021-03-26 17:46:34,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:34,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:34,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:34,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:34,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:34,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 458 transitions, 7906 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:34,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:34,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:34,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:35,351 INFO L129 PetriNetUnfolder]: 633/1212 cut-off events. [2021-03-26 17:46:35,351 INFO L130 PetriNetUnfolder]: For 29010/29041 co-relation queries the response was YES. [2021-03-26 17:46:35,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12670 conditions, 1212 events. 633/1212 cut-off events. For 29010/29041 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7189 event pairs, 128 based on Foata normal form. 13/1222 useless extension candidates. Maximal degree in co-relation 12519. Up to 1083 conditions per place. [2021-03-26 17:46:35,366 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 405 selfloop transitions, 48 changer transitions 3/464 dead transitions. [2021-03-26 17:46:35,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 464 transitions, 8905 flow [2021-03-26 17:46:35,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 409 transitions. [2021-03-26 17:46:35,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2834372834372834 [2021-03-26 17:46:35,367 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 409 transitions. [2021-03-26 17:46:35,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 409 transitions. [2021-03-26 17:46:35,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:35,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 409 transitions. [2021-03-26 17:46:35,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.46153846153846) internal successors, (409), 13 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:35,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:35,369 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:35,369 INFO L185 Difference]: Start difference. First operand has 328 places, 458 transitions, 7906 flow. Second operand 13 states and 409 transitions. [2021-03-26 17:46:35,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 464 transitions, 8905 flow [2021-03-26 17:46:35,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 464 transitions, 8698 flow, removed 8 selfloop flow, removed 17 redundant places. [2021-03-26 17:46:35,541 INFO L241 Difference]: Finished difference. Result has 325 places, 456 transitions, 7768 flow [2021-03-26 17:46:35,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7701, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7768, PETRI_PLACES=325, PETRI_TRANSITIONS=456} [2021-03-26 17:46:35,541 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 286 predicate places. [2021-03-26 17:46:35,541 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:35,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 456 transitions, 7768 flow [2021-03-26 17:46:35,541 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 456 transitions, 7768 flow [2021-03-26 17:46:35,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 456 transitions, 7768 flow [2021-03-26 17:46:35,655 INFO L129 PetriNetUnfolder]: 422/915 cut-off events. [2021-03-26 17:46:35,655 INFO L130 PetriNetUnfolder]: For 25597/25810 co-relation queries the response was YES. [2021-03-26 17:46:35,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9283 conditions, 915 events. 422/915 cut-off events. For 25597/25810 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 5946 event pairs, 29 based on Foata normal form. 25/912 useless extension candidates. Maximal degree in co-relation 9157. Up to 383 conditions per place. [2021-03-26 17:46:35,677 INFO L142 LiptonReduction]: Number of co-enabled transitions 524 [2021-03-26 17:46:35,709 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:35,709 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:35,709 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 168 [2021-03-26 17:46:35,709 INFO L480 AbstractCegarLoop]: Abstraction has has 321 places, 456 transitions, 7768 flow [2021-03-26 17:46:35,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:35,709 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:35,709 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:35,709 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 17:46:35,709 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:35,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:35,710 INFO L82 PathProgramCache]: Analyzing trace with hash -289692014, now seen corresponding path program 11 times [2021-03-26 17:46:35,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:35,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96574975] [2021-03-26 17:46:35,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:35,720 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:35,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:35,725 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:35,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:35,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:35,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:35,743 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:35,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:35,764 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:35,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:35,786 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:35,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:35,791 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:46:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:35,814 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:35,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:35,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:35,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96574975] [2021-03-26 17:46:35,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:35,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:35,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613941795] [2021-03-26 17:46:35,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:35,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:35,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:35,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:35,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:35,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 456 transitions, 7768 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:35,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:35,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:35,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:36,482 INFO L129 PetriNetUnfolder]: 633/1212 cut-off events. [2021-03-26 17:46:36,482 INFO L130 PetriNetUnfolder]: For 29299/29337 co-relation queries the response was YES. [2021-03-26 17:46:36,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12585 conditions, 1212 events. 633/1212 cut-off events. For 29299/29337 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7182 event pairs, 124 based on Foata normal form. 14/1222 useless extension candidates. Maximal degree in co-relation 12457. Up to 978 conditions per place. [2021-03-26 17:46:36,497 INFO L132 encePairwiseOnDemand]: 83/111 looper letters, 289 selfloop transitions, 162 changer transitions 8/467 dead transitions. [2021-03-26 17:46:36,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 467 transitions, 8866 flow [2021-03-26 17:46:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:46:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:46:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 496 transitions. [2021-03-26 17:46:36,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2978978978978979 [2021-03-26 17:46:36,499 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 496 transitions. [2021-03-26 17:46:36,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 496 transitions. [2021-03-26 17:46:36,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:36,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 496 transitions. [2021-03-26 17:46:36,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.06666666666667) internal successors, (496), 15 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:36,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:36,500 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 111.0) internal successors, (1776), 16 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:36,500 INFO L185 Difference]: Start difference. First operand has 321 places, 456 transitions, 7768 flow. Second operand 15 states and 496 transitions. [2021-03-26 17:46:36,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 467 transitions, 8866 flow [2021-03-26 17:46:36,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 467 transitions, 8760 flow, removed 5 selfloop flow, removed 12 redundant places. [2021-03-26 17:46:36,666 INFO L241 Difference]: Finished difference. Result has 327 places, 453 transitions, 7962 flow [2021-03-26 17:46:36,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7664, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7962, PETRI_PLACES=327, PETRI_TRANSITIONS=453} [2021-03-26 17:46:36,666 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 288 predicate places. [2021-03-26 17:46:36,666 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:36,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 453 transitions, 7962 flow [2021-03-26 17:46:36,666 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 453 transitions, 7962 flow [2021-03-26 17:46:36,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 453 transitions, 7962 flow [2021-03-26 17:46:36,770 INFO L129 PetriNetUnfolder]: 422/912 cut-off events. [2021-03-26 17:46:36,771 INFO L130 PetriNetUnfolder]: For 25091/25259 co-relation queries the response was YES. [2021-03-26 17:46:36,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9410 conditions, 912 events. 422/912 cut-off events. For 25091/25259 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5918 event pairs, 33 based on Foata normal form. 19/904 useless extension candidates. Maximal degree in co-relation 9283. Up to 386 conditions per place. [2021-03-26 17:46:36,784 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-26 17:46:36,804 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:36,804 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:36,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-03-26 17:46:36,805 INFO L480 AbstractCegarLoop]: Abstraction has has 321 places, 453 transitions, 7962 flow [2021-03-26 17:46:36,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:36,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:36,805 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:36,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 17:46:36,805 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:36,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:36,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1784619982, now seen corresponding path program 12 times [2021-03-26 17:46:36,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:36,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457501579] [2021-03-26 17:46:36,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:36,818 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:36,823 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:36,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:36,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:36,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:36,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:36,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:36,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:36,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:36,858 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:36,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:36,884 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:46:36,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:46:36,915 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:46:36,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:36,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:36,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:36,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:36,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:36,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457501579] [2021-03-26 17:46:36,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:36,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:36,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646522468] [2021-03-26 17:46:36,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:36,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:36,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:36,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:36,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:36,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 453 transitions, 7962 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:36,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:36,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:36,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:37,456 INFO L129 PetriNetUnfolder]: 629/1205 cut-off events. [2021-03-26 17:46:37,456 INFO L130 PetriNetUnfolder]: For 29568/29599 co-relation queries the response was YES. [2021-03-26 17:46:37,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12758 conditions, 1205 events. 629/1205 cut-off events. For 29568/29599 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7131 event pairs, 128 based on Foata normal form. 13/1215 useless extension candidates. Maximal degree in co-relation 12629. Up to 1083 conditions per place. [2021-03-26 17:46:37,470 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 404 selfloop transitions, 43 changer transitions 3/458 dead transitions. [2021-03-26 17:46:37,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 458 transitions, 8936 flow [2021-03-26 17:46:37,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 381 transitions. [2021-03-26 17:46:37,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28603603603603606 [2021-03-26 17:46:37,471 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 381 transitions. [2021-03-26 17:46:37,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 381 transitions. [2021-03-26 17:46:37,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:37,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 381 transitions. [2021-03-26 17:46:37,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.75) internal successors, (381), 12 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:37,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:37,472 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:37,472 INFO L185 Difference]: Start difference. First operand has 321 places, 453 transitions, 7962 flow. Second operand 12 states and 381 transitions. [2021-03-26 17:46:37,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 458 transitions, 8936 flow [2021-03-26 17:46:37,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 458 transitions, 8536 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 17:46:37,640 INFO L241 Difference]: Finished difference. Result has 321 places, 451 transitions, 7627 flow [2021-03-26 17:46:37,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7565, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7627, PETRI_PLACES=321, PETRI_TRANSITIONS=451} [2021-03-26 17:46:37,640 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 282 predicate places. [2021-03-26 17:46:37,640 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:37,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 451 transitions, 7627 flow [2021-03-26 17:46:37,640 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 451 transitions, 7627 flow [2021-03-26 17:46:37,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 317 places, 451 transitions, 7627 flow [2021-03-26 17:46:37,740 INFO L129 PetriNetUnfolder]: 423/908 cut-off events. [2021-03-26 17:46:37,740 INFO L130 PetriNetUnfolder]: For 25258/25434 co-relation queries the response was YES. [2021-03-26 17:46:37,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9326 conditions, 908 events. 423/908 cut-off events. For 25258/25434 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5840 event pairs, 31 based on Foata normal form. 20/893 useless extension candidates. Maximal degree in co-relation 9200. Up to 385 conditions per place. [2021-03-26 17:46:37,761 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-26 17:46:37,793 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:37,793 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:37,793 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153 [2021-03-26 17:46:37,794 INFO L480 AbstractCegarLoop]: Abstraction has has 317 places, 451 transitions, 7627 flow [2021-03-26 17:46:37,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:37,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:37,794 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:37,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 17:46:37,794 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:37,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:37,794 INFO L82 PathProgramCache]: Analyzing trace with hash -727584579, now seen corresponding path program 5 times [2021-03-26 17:46:37,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:37,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381819192] [2021-03-26 17:46:37,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:37,805 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:37,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:37,810 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:37,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:37,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:37,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:37,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:37,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:37,837 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:37,859 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:37,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:37,881 INFO L142 QuantifierPusher]: treesize reduction 20, result has 56.5 percent of original size [2021-03-26 17:46:37,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:37,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:37,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:37,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:37,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:37,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:37,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:37,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381819192] [2021-03-26 17:46:37,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:37,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:37,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241856763] [2021-03-26 17:46:37,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:37,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:37,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:37,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:37,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:37,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 451 transitions, 7627 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:37,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:37,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:37,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:38,535 INFO L129 PetriNetUnfolder]: 630/1208 cut-off events. [2021-03-26 17:46:38,536 INFO L130 PetriNetUnfolder]: For 29030/29061 co-relation queries the response was YES. [2021-03-26 17:46:38,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12623 conditions, 1208 events. 630/1208 cut-off events. For 29030/29061 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 7143 event pairs, 130 based on Foata normal form. 13/1218 useless extension candidates. Maximal degree in co-relation 12495. Up to 1073 conditions per place. [2021-03-26 17:46:38,548 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 402 selfloop transitions, 49 changer transitions 2/461 dead transitions. [2021-03-26 17:46:38,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 461 transitions, 8732 flow [2021-03-26 17:46:38,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:38,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 411 transitions. [2021-03-26 17:46:38,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28482328482328484 [2021-03-26 17:46:38,552 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 411 transitions. [2021-03-26 17:46:38,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 411 transitions. [2021-03-26 17:46:38,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:38,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 411 transitions. [2021-03-26 17:46:38,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.615384615384617) internal successors, (411), 13 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:38,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:38,554 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 111.0) internal successors, (1554), 14 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:38,554 INFO L185 Difference]: Start difference. First operand has 317 places, 451 transitions, 7627 flow. Second operand 13 states and 411 transitions. [2021-03-26 17:46:38,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 461 transitions, 8732 flow [2021-03-26 17:46:38,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 461 transitions, 8636 flow, removed 5 selfloop flow, removed 11 redundant places. [2021-03-26 17:46:38,719 INFO L241 Difference]: Finished difference. Result has 321 places, 452 transitions, 7690 flow [2021-03-26 17:46:38,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7531, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7690, PETRI_PLACES=321, PETRI_TRANSITIONS=452} [2021-03-26 17:46:38,719 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 282 predicate places. [2021-03-26 17:46:38,719 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:38,719 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 452 transitions, 7690 flow [2021-03-26 17:46:38,720 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 452 transitions, 7690 flow [2021-03-26 17:46:38,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 452 transitions, 7690 flow [2021-03-26 17:46:38,822 INFO L129 PetriNetUnfolder]: 416/904 cut-off events. [2021-03-26 17:46:38,822 INFO L130 PetriNetUnfolder]: For 26179/26371 co-relation queries the response was YES. [2021-03-26 17:46:38,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9279 conditions, 904 events. 416/904 cut-off events. For 26179/26371 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 5835 event pairs, 32 based on Foata normal form. 23/897 useless extension candidates. Maximal degree in co-relation 9153. Up to 380 conditions per place. [2021-03-26 17:46:38,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 518 [2021-03-26 17:46:38,856 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:38,857 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:38,857 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-03-26 17:46:38,857 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 452 transitions, 7690 flow [2021-03-26 17:46:38,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:38,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:38,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:38,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 17:46:38,857 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:38,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:38,857 INFO L82 PathProgramCache]: Analyzing trace with hash -988134223, now seen corresponding path program 6 times [2021-03-26 17:46:38,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:38,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412002104] [2021-03-26 17:46:38,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:38,867 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:38,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:38,872 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:38,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:38,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:38,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:38,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:38,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:38,899 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:38,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:38,920 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:38,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:38,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:38,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:38,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:38,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:38,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:38,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412002104] [2021-03-26 17:46:38,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:38,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:38,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694547468] [2021-03-26 17:46:38,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:38,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:38,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:38,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:38,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 111 [2021-03-26 17:46:38,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 452 transitions, 7690 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:38,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:38,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 111 [2021-03-26 17:46:38,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:39,553 INFO L129 PetriNetUnfolder]: 631/1211 cut-off events. [2021-03-26 17:46:39,553 INFO L130 PetriNetUnfolder]: For 29733/29742 co-relation queries the response was YES. [2021-03-26 17:46:39,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12702 conditions, 1211 events. 631/1211 cut-off events. For 29733/29742 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7208 event pairs, 133 based on Foata normal form. 6/1214 useless extension candidates. Maximal degree in co-relation 12574. Up to 1067 conditions per place. [2021-03-26 17:46:39,574 INFO L132 encePairwiseOnDemand]: 93/111 looper letters, 391 selfloop transitions, 61 changer transitions 2/462 dead transitions. [2021-03-26 17:46:39,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 462 transitions, 8798 flow [2021-03-26 17:46:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:39,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 389 transitions. [2021-03-26 17:46:39,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29204204204204204 [2021-03-26 17:46:39,577 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 389 transitions. [2021-03-26 17:46:39,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 389 transitions. [2021-03-26 17:46:39,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:39,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 389 transitions. [2021-03-26 17:46:39,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.416666666666664) internal successors, (389), 12 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:39,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:39,578 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 111.0) internal successors, (1443), 13 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:39,578 INFO L185 Difference]: Start difference. First operand has 319 places, 452 transitions, 7690 flow. Second operand 12 states and 389 transitions. [2021-03-26 17:46:39,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 462 transitions, 8798 flow [2021-03-26 17:46:39,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 462 transitions, 8663 flow, removed 20 selfloop flow, removed 11 redundant places. [2021-03-26 17:46:39,746 INFO L241 Difference]: Finished difference. Result has 323 places, 455 transitions, 7797 flow [2021-03-26 17:46:39,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=7555, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7797, PETRI_PLACES=323, PETRI_TRANSITIONS=455} [2021-03-26 17:46:39,747 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 284 predicate places. [2021-03-26 17:46:39,747 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:39,747 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 455 transitions, 7797 flow [2021-03-26 17:46:39,747 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 455 transitions, 7797 flow [2021-03-26 17:46:39,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 455 transitions, 7797 flow [2021-03-26 17:46:39,847 INFO L129 PetriNetUnfolder]: 424/912 cut-off events. [2021-03-26 17:46:39,848 INFO L130 PetriNetUnfolder]: For 27519/27702 co-relation queries the response was YES. [2021-03-26 17:46:39,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9516 conditions, 912 events. 424/912 cut-off events. For 27519/27702 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 5850 event pairs, 41 based on Foata normal form. 21/899 useless extension candidates. Maximal degree in co-relation 9388. Up to 387 conditions per place. [2021-03-26 17:46:39,861 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-26 17:46:39,934 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 17:46:39,934 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:46:39,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-26 17:46:39,934 INFO L480 AbstractCegarLoop]: Abstraction has has 320 places, 454 transitions, 7793 flow [2021-03-26 17:46:39,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:39,934 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:39,934 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:39,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 17:46:39,934 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:39,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:39,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1892966587, now seen corresponding path program 7 times [2021-03-26 17:46:39,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:39,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520566985] [2021-03-26 17:46:39,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:39,944 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:39,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:39,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:39,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:39,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:39,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:39,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:39,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:39,976 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:39,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:39,998 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:39,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:40,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:40,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:40,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:40,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520566985] [2021-03-26 17:46:40,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:40,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:40,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816058308] [2021-03-26 17:46:40,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:40,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:40,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:40,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:40,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 17:46:40,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 454 transitions, 7793 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:40,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:40,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 17:46:40,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:40,528 INFO L129 PetriNetUnfolder]: 629/1212 cut-off events. [2021-03-26 17:46:40,528 INFO L130 PetriNetUnfolder]: For 31286/31317 co-relation queries the response was YES. [2021-03-26 17:46:40,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12850 conditions, 1212 events. 629/1212 cut-off events. For 31286/31317 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7207 event pairs, 125 based on Foata normal form. 16/1226 useless extension candidates. Maximal degree in co-relation 12720. Up to 1066 conditions per place. [2021-03-26 17:46:40,542 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 388 selfloop transitions, 63 changer transitions 2/461 dead transitions. [2021-03-26 17:46:40,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 461 transitions, 8809 flow [2021-03-26 17:46:40,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 364 transitions. [2021-03-26 17:46:40,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29545454545454547 [2021-03-26 17:46:40,543 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 364 transitions. [2021-03-26 17:46:40,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 364 transitions. [2021-03-26 17:46:40,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:40,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 364 transitions. [2021-03-26 17:46:40,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.09090909090909) internal successors, (364), 11 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:40,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:40,544 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:40,544 INFO L185 Difference]: Start difference. First operand has 320 places, 454 transitions, 7793 flow. Second operand 11 states and 364 transitions. [2021-03-26 17:46:40,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 461 transitions, 8809 flow [2021-03-26 17:46:40,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 461 transitions, 8625 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-03-26 17:46:40,720 INFO L241 Difference]: Finished difference. Result has 324 places, 455 transitions, 7777 flow [2021-03-26 17:46:40,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=7613, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7777, PETRI_PLACES=324, PETRI_TRANSITIONS=455} [2021-03-26 17:46:40,721 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 285 predicate places. [2021-03-26 17:46:40,721 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:40,721 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 324 places, 455 transitions, 7777 flow [2021-03-26 17:46:40,721 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 324 places, 455 transitions, 7777 flow [2021-03-26 17:46:40,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 455 transitions, 7777 flow [2021-03-26 17:46:40,825 INFO L129 PetriNetUnfolder]: 404/896 cut-off events. [2021-03-26 17:46:40,825 INFO L130 PetriNetUnfolder]: For 26408/26586 co-relation queries the response was YES. [2021-03-26 17:46:40,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9316 conditions, 896 events. 404/896 cut-off events. For 26408/26586 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 5884 event pairs, 32 based on Foata normal form. 18/888 useless extension candidates. Maximal degree in co-relation 9187. Up to 380 conditions per place. [2021-03-26 17:46:40,839 INFO L142 LiptonReduction]: Number of co-enabled transitions 522 [2021-03-26 17:46:40,863 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:40,863 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:40,863 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-03-26 17:46:40,863 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 455 transitions, 7777 flow [2021-03-26 17:46:40,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:40,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:40,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:40,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 17:46:40,864 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:40,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:40,864 INFO L82 PathProgramCache]: Analyzing trace with hash 510871252, now seen corresponding path program 1 times [2021-03-26 17:46:40,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:40,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490099583] [2021-03-26 17:46:40,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:40,879 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:40,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:40,884 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:40,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:40,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:40,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:40,916 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:40,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:40,939 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:40,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:40,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:40,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:40,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:40,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:40,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:40,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490099583] [2021-03-26 17:46:40,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:40,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:40,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116478961] [2021-03-26 17:46:40,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:40,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:40,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:40,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:40,968 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 17:46:40,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 455 transitions, 7777 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:40,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:40,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 17:46:40,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:41,435 INFO L129 PetriNetUnfolder]: 628/1214 cut-off events. [2021-03-26 17:46:41,435 INFO L130 PetriNetUnfolder]: For 31264/31295 co-relation queries the response was YES. [2021-03-26 17:46:41,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12890 conditions, 1214 events. 628/1214 cut-off events. For 31264/31295 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7229 event pairs, 122 based on Foata normal form. 13/1224 useless extension candidates. Maximal degree in co-relation 12759. Up to 1068 conditions per place. [2021-03-26 17:46:41,449 INFO L132 encePairwiseOnDemand]: 93/112 looper letters, 390 selfloop transitions, 60 changer transitions 2/460 dead transitions. [2021-03-26 17:46:41,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 460 transitions, 8739 flow [2021-03-26 17:46:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 360 transitions. [2021-03-26 17:46:41,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2922077922077922 [2021-03-26 17:46:41,451 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 360 transitions. [2021-03-26 17:46:41,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 360 transitions. [2021-03-26 17:46:41,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:41,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 360 transitions. [2021-03-26 17:46:41,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 32.72727272727273) internal successors, (360), 11 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:41,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:41,452 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 112.0) internal successors, (1344), 12 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:41,452 INFO L185 Difference]: Start difference. First operand has 322 places, 455 transitions, 7777 flow. Second operand 11 states and 360 transitions. [2021-03-26 17:46:41,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 460 transitions, 8739 flow [2021-03-26 17:46:41,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 460 transitions, 8603 flow, removed 8 selfloop flow, removed 9 redundant places. [2021-03-26 17:46:41,632 INFO L241 Difference]: Finished difference. Result has 325 places, 455 transitions, 7767 flow [2021-03-26 17:46:41,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=7641, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7767, PETRI_PLACES=325, PETRI_TRANSITIONS=455} [2021-03-26 17:46:41,632 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 286 predicate places. [2021-03-26 17:46:41,632 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:41,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 455 transitions, 7767 flow [2021-03-26 17:46:41,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 455 transitions, 7767 flow [2021-03-26 17:46:41,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 323 places, 455 transitions, 7767 flow [2021-03-26 17:46:41,732 INFO L129 PetriNetUnfolder]: 423/916 cut-off events. [2021-03-26 17:46:41,733 INFO L130 PetriNetUnfolder]: For 28402/28584 co-relation queries the response was YES. [2021-03-26 17:46:41,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9611 conditions, 916 events. 423/916 cut-off events. For 28402/28584 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5942 event pairs, 37 based on Foata normal form. 13/893 useless extension candidates. Maximal degree in co-relation 9482. Up to 393 conditions per place. [2021-03-26 17:46:41,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-26 17:46:41,781 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:41,782 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:41,782 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-03-26 17:46:41,782 INFO L480 AbstractCegarLoop]: Abstraction has has 323 places, 455 transitions, 7767 flow [2021-03-26 17:46:41,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:41,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:41,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:41,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 17:46:41,782 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:41,783 INFO L82 PathProgramCache]: Analyzing trace with hash -562643050, now seen corresponding path program 1 times [2021-03-26 17:46:41,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:41,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251843320] [2021-03-26 17:46:41,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:41,793 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:41,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:41,798 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:41,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:41,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:41,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:41,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:41,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:41,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:41,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:41,830 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:46:41,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:46:41,834 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:46:41,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:41,849 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:46:41,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:41,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:41,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:41,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:41,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:41,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251843320] [2021-03-26 17:46:41,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:41,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 17:46:41,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76995948] [2021-03-26 17:46:41,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 17:46:41,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:41,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 17:46:41,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-03-26 17:46:41,863 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 17:46:41,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 455 transitions, 7767 flow. Second operand has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:41,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:41,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 17:46:41,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:42,382 INFO L129 PetriNetUnfolder]: 638/1238 cut-off events. [2021-03-26 17:46:42,382 INFO L130 PetriNetUnfolder]: For 34850/34876 co-relation queries the response was YES. [2021-03-26 17:46:42,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13322 conditions, 1238 events. 638/1238 cut-off events. For 34850/34876 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7461 event pairs, 94 based on Foata normal form. 16/1252 useless extension candidates. Maximal degree in co-relation 13191. Up to 1025 conditions per place. [2021-03-26 17:46:42,402 INFO L132 encePairwiseOnDemand]: 88/112 looper letters, 347 selfloop transitions, 116 changer transitions 4/475 dead transitions. [2021-03-26 17:46:42,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 475 transitions, 9085 flow [2021-03-26 17:46:42,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 17:46:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 17:46:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 337 transitions. [2021-03-26 17:46:42,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3343253968253968 [2021-03-26 17:46:42,404 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 337 transitions. [2021-03-26 17:46:42,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 337 transitions. [2021-03-26 17:46:42,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:42,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 337 transitions. [2021-03-26 17:46:42,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.44444444444444) internal successors, (337), 9 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:42,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 112.0) internal successors, (1120), 10 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:42,405 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 112.0) internal successors, (1120), 10 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:42,405 INFO L185 Difference]: Start difference. First operand has 323 places, 455 transitions, 7767 flow. Second operand 9 states and 337 transitions. [2021-03-26 17:46:42,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 475 transitions, 9085 flow [2021-03-26 17:46:42,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 475 transitions, 8986 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-26 17:46:42,584 INFO L241 Difference]: Finished difference. Result has 325 places, 458 transitions, 8138 flow [2021-03-26 17:46:42,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=7668, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8138, PETRI_PLACES=325, PETRI_TRANSITIONS=458} [2021-03-26 17:46:42,584 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 286 predicate places. [2021-03-26 17:46:42,584 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:42,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 325 places, 458 transitions, 8138 flow [2021-03-26 17:46:42,585 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 325 places, 458 transitions, 8138 flow [2021-03-26 17:46:42,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 324 places, 458 transitions, 8138 flow [2021-03-26 17:46:42,682 INFO L129 PetriNetUnfolder]: 413/912 cut-off events. [2021-03-26 17:46:42,683 INFO L130 PetriNetUnfolder]: For 29947/30125 co-relation queries the response was YES. [2021-03-26 17:46:42,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9781 conditions, 912 events. 413/912 cut-off events. For 29947/30125 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 5945 event pairs, 34 based on Foata normal form. 13/895 useless extension candidates. Maximal degree in co-relation 9651. Up to 387 conditions per place. [2021-03-26 17:46:42,695 INFO L142 LiptonReduction]: Number of co-enabled transitions 520 [2021-03-26 17:46:42,718 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:42,718 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:42,718 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 134 [2021-03-26 17:46:42,718 INFO L480 AbstractCegarLoop]: Abstraction has has 324 places, 458 transitions, 8138 flow [2021-03-26 17:46:42,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 27.375) internal successors, (219), 8 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:42,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:42,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:42,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 17:46:42,718 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:42,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:42,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1409857800, now seen corresponding path program 2 times [2021-03-26 17:46:42,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:42,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971721762] [2021-03-26 17:46:42,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:42,734 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:42,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:42,739 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:42,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:42,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:42,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:42,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:42,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:42,769 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:42,793 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:42,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:42,798 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:42,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:42,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:42,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:42,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:42,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971721762] [2021-03-26 17:46:42,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:42,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:42,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683222985] [2021-03-26 17:46:42,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:42,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:42,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:42,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:42,845 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 17:46:42,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 458 transitions, 8138 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:42,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:42,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 17:46:42,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:43,399 INFO L129 PetriNetUnfolder]: 637/1235 cut-off events. [2021-03-26 17:46:43,399 INFO L130 PetriNetUnfolder]: For 36895/36926 co-relation queries the response was YES. [2021-03-26 17:46:43,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13568 conditions, 1235 events. 637/1235 cut-off events. For 36895/36926 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7439 event pairs, 99 based on Foata normal form. 13/1245 useless extension candidates. Maximal degree in co-relation 13436. Up to 1081 conditions per place. [2021-03-26 17:46:43,414 INFO L132 encePairwiseOnDemand]: 93/112 looper letters, 392 selfloop transitions, 67 changer transitions 5/472 dead transitions. [2021-03-26 17:46:43,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 472 transitions, 9269 flow [2021-03-26 17:46:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:46:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:46:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 444 transitions. [2021-03-26 17:46:43,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28316326530612246 [2021-03-26 17:46:43,415 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 444 transitions. [2021-03-26 17:46:43,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 444 transitions. [2021-03-26 17:46:43,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:43,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 444 transitions. [2021-03-26 17:46:43,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.714285714285715) internal successors, (444), 14 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:43,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 112.0) internal successors, (1680), 15 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:43,416 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 112.0) internal successors, (1680), 15 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:43,416 INFO L185 Difference]: Start difference. First operand has 324 places, 458 transitions, 8138 flow. Second operand 14 states and 444 transitions. [2021-03-26 17:46:43,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 472 transitions, 9269 flow [2021-03-26 17:46:43,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 472 transitions, 9086 flow, removed 51 selfloop flow, removed 4 redundant places. [2021-03-26 17:46:43,613 INFO L241 Difference]: Finished difference. Result has 335 places, 464 transitions, 8191 flow [2021-03-26 17:46:43,614 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=7955, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8191, PETRI_PLACES=335, PETRI_TRANSITIONS=464} [2021-03-26 17:46:43,614 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 296 predicate places. [2021-03-26 17:46:43,614 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:43,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 464 transitions, 8191 flow [2021-03-26 17:46:43,614 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 464 transitions, 8191 flow [2021-03-26 17:46:43,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 464 transitions, 8191 flow [2021-03-26 17:46:43,724 INFO L129 PetriNetUnfolder]: 421/918 cut-off events. [2021-03-26 17:46:43,724 INFO L130 PetriNetUnfolder]: For 29950/30128 co-relation queries the response was YES. [2021-03-26 17:46:43,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9911 conditions, 918 events. 421/918 cut-off events. For 29950/30128 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 6025 event pairs, 31 based on Foata normal form. 18/908 useless extension candidates. Maximal degree in co-relation 9781. Up to 387 conditions per place. [2021-03-26 17:46:43,736 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-26 17:46:43,758 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:43,758 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:43,758 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 144 [2021-03-26 17:46:43,758 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 464 transitions, 8191 flow [2021-03-26 17:46:43,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:43,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:43,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:43,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 17:46:43,758 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:43,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:43,759 INFO L82 PathProgramCache]: Analyzing trace with hash -711248665, now seen corresponding path program 8 times [2021-03-26 17:46:43,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:43,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576461786] [2021-03-26 17:46:43,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:43,770 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:43,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:43,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:43,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:43,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:43,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:43,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:43,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:43,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:43,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:43,807 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:43,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:43,828 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:43,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:43,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:43,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:43,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:43,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:43,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:43,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:43,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576461786] [2021-03-26 17:46:43,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:43,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:43,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193062230] [2021-03-26 17:46:43,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:43,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:43,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:43,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:43,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 17:46:43,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 464 transitions, 8191 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:43,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:43,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 17:46:43,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:44,363 INFO L129 PetriNetUnfolder]: 637/1232 cut-off events. [2021-03-26 17:46:44,363 INFO L130 PetriNetUnfolder]: For 37534/37565 co-relation queries the response was YES. [2021-03-26 17:46:44,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13635 conditions, 1232 events. 637/1232 cut-off events. For 37534/37565 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7393 event pairs, 125 based on Foata normal form. 13/1242 useless extension candidates. Maximal degree in co-relation 13503. Up to 1099 conditions per place. [2021-03-26 17:46:44,378 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 420 selfloop transitions, 47 changer transitions 2/477 dead transitions. [2021-03-26 17:46:44,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 477 transitions, 9398 flow [2021-03-26 17:46:44,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 383 transitions. [2021-03-26 17:46:44,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2849702380952381 [2021-03-26 17:46:44,379 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 383 transitions. [2021-03-26 17:46:44,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 383 transitions. [2021-03-26 17:46:44,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:44,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 383 transitions. [2021-03-26 17:46:44,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.916666666666668) internal successors, (383), 12 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:44,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 112.0) internal successors, (1456), 13 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:44,380 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 112.0) internal successors, (1456), 13 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:44,380 INFO L185 Difference]: Start difference. First operand has 332 places, 464 transitions, 8191 flow. Second operand 12 states and 383 transitions. [2021-03-26 17:46:44,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 477 transitions, 9398 flow [2021-03-26 17:46:44,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 477 transitions, 9145 flow, removed 82 selfloop flow, removed 8 redundant places. [2021-03-26 17:46:44,574 INFO L241 Difference]: Finished difference. Result has 338 places, 465 transitions, 8162 flow [2021-03-26 17:46:44,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=8002, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8162, PETRI_PLACES=338, PETRI_TRANSITIONS=465} [2021-03-26 17:46:44,575 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 299 predicate places. [2021-03-26 17:46:44,575 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:44,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 338 places, 465 transitions, 8162 flow [2021-03-26 17:46:44,575 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 338 places, 465 transitions, 8162 flow [2021-03-26 17:46:44,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 336 places, 465 transitions, 8162 flow [2021-03-26 17:46:44,676 INFO L129 PetriNetUnfolder]: 426/932 cut-off events. [2021-03-26 17:46:44,676 INFO L130 PetriNetUnfolder]: For 28780/28945 co-relation queries the response was YES. [2021-03-26 17:46:44,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9853 conditions, 932 events. 426/932 cut-off events. For 28780/28945 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 6108 event pairs, 39 based on Foata normal form. 21/925 useless extension candidates. Maximal degree in co-relation 9722. Up to 378 conditions per place. [2021-03-26 17:46:44,691 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-26 17:46:44,714 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:44,714 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:44,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-03-26 17:46:44,714 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 465 transitions, 8162 flow [2021-03-26 17:46:44,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:44,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:44,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:44,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 17:46:44,714 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:44,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:44,715 INFO L82 PathProgramCache]: Analyzing trace with hash -534266960, now seen corresponding path program 13 times [2021-03-26 17:46:44,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:44,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391271741] [2021-03-26 17:46:44,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:44,725 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:44,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:44,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:44,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:44,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:44,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:44,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:44,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:44,755 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:44,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:44,773 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:44,781 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:46:44,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:44,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:44,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:44,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:44,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:44,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:44,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:44,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391271741] [2021-03-26 17:46:44,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:44,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:44,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636276120] [2021-03-26 17:46:44,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:44,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:44,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:44,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:44,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 17:46:44,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 465 transitions, 8162 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:44,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:44,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 17:46:44,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:45,374 INFO L129 PetriNetUnfolder]: 636/1231 cut-off events. [2021-03-26 17:46:45,375 INFO L130 PetriNetUnfolder]: For 35212/35243 co-relation queries the response was YES. [2021-03-26 17:46:45,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13365 conditions, 1231 events. 636/1231 cut-off events. For 35212/35243 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7394 event pairs, 93 based on Foata normal form. 16/1245 useless extension candidates. Maximal degree in co-relation 13232. Up to 1062 conditions per place. [2021-03-26 17:46:45,389 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 384 selfloop transitions, 76 changer transitions 3/471 dead transitions. [2021-03-26 17:46:45,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 471 transitions, 9145 flow [2021-03-26 17:46:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 422 transitions. [2021-03-26 17:46:45,390 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28983516483516486 [2021-03-26 17:46:45,390 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 422 transitions. [2021-03-26 17:46:45,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 422 transitions. [2021-03-26 17:46:45,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:45,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 422 transitions. [2021-03-26 17:46:45,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.46153846153846) internal successors, (422), 13 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:45,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:45,392 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:45,392 INFO L185 Difference]: Start difference. First operand has 336 places, 465 transitions, 8162 flow. Second operand 13 states and 422 transitions. [2021-03-26 17:46:45,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 471 transitions, 9145 flow [2021-03-26 17:46:45,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 471 transitions, 9003 flow, removed 26 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:45,596 INFO L241 Difference]: Finished difference. Result has 340 places, 464 transitions, 8179 flow [2021-03-26 17:46:45,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=8020, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8179, PETRI_PLACES=340, PETRI_TRANSITIONS=464} [2021-03-26 17:46:45,596 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 301 predicate places. [2021-03-26 17:46:45,596 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:45,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 340 places, 464 transitions, 8179 flow [2021-03-26 17:46:45,597 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 340 places, 464 transitions, 8179 flow [2021-03-26 17:46:45,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 338 places, 464 transitions, 8179 flow [2021-03-26 17:46:45,697 INFO L129 PetriNetUnfolder]: 424/926 cut-off events. [2021-03-26 17:46:45,697 INFO L130 PetriNetUnfolder]: For 29161/29333 co-relation queries the response was YES. [2021-03-26 17:46:45,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9868 conditions, 926 events. 424/926 cut-off events. For 29161/29333 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 6077 event pairs, 31 based on Foata normal form. 19/918 useless extension candidates. Maximal degree in co-relation 9737. Up to 381 conditions per place. [2021-03-26 17:46:45,710 INFO L142 LiptonReduction]: Number of co-enabled transitions 508 [2021-03-26 17:46:45,745 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:45,745 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:45,745 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 149 [2021-03-26 17:46:45,745 INFO L480 AbstractCegarLoop]: Abstraction has has 338 places, 464 transitions, 8179 flow [2021-03-26 17:46:45,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:45,746 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:45,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:45,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 17:46:45,746 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:45,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:45,746 INFO L82 PathProgramCache]: Analyzing trace with hash 423276022, now seen corresponding path program 3 times [2021-03-26 17:46:45,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:45,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839203191] [2021-03-26 17:46:45,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:45,755 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:45,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:45,760 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:45,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:45,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:45,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:45,777 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:46:45,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:46:45,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:45,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:45,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:45,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:45,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:45,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:45,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:45,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:45,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:45,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:45,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:45,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:45,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:45,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839203191] [2021-03-26 17:46:45,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:45,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:45,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834411082] [2021-03-26 17:46:45,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:45,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:45,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:45,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:45,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 17:46:45,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 464 transitions, 8179 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:45,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:45,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 17:46:45,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:46,474 INFO L129 PetriNetUnfolder]: 643/1252 cut-off events. [2021-03-26 17:46:46,475 INFO L130 PetriNetUnfolder]: For 37457/37488 co-relation queries the response was YES. [2021-03-26 17:46:46,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13759 conditions, 1252 events. 643/1252 cut-off events. For 37457/37488 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 7564 event pairs, 125 based on Foata normal form. 13/1262 useless extension candidates. Maximal degree in co-relation 13626. Up to 1074 conditions per place. [2021-03-26 17:46:46,489 INFO L132 encePairwiseOnDemand]: 88/112 looper letters, 366 selfloop transitions, 113 changer transitions 2/489 dead transitions. [2021-03-26 17:46:46,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 489 transitions, 9655 flow [2021-03-26 17:46:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:46:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:46:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 518 transitions. [2021-03-26 17:46:46,490 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2890625 [2021-03-26 17:46:46,490 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 518 transitions. [2021-03-26 17:46:46,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 518 transitions. [2021-03-26 17:46:46,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:46,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 518 transitions. [2021-03-26 17:46:46,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.375) internal successors, (518), 16 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:46,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:46,492 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:46,492 INFO L185 Difference]: Start difference. First operand has 338 places, 464 transitions, 8179 flow. Second operand 16 states and 518 transitions. [2021-03-26 17:46:46,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 489 transitions, 9655 flow [2021-03-26 17:46:46,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 489 transitions, 9497 flow, removed 3 selfloop flow, removed 11 redundant places. [2021-03-26 17:46:46,705 INFO L241 Difference]: Finished difference. Result has 350 places, 478 transitions, 8628 flow [2021-03-26 17:46:46,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=8021, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=8628, PETRI_PLACES=350, PETRI_TRANSITIONS=478} [2021-03-26 17:46:46,706 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 311 predicate places. [2021-03-26 17:46:46,706 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:46,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 478 transitions, 8628 flow [2021-03-26 17:46:46,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 478 transitions, 8628 flow [2021-03-26 17:46:46,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 348 places, 478 transitions, 8628 flow [2021-03-26 17:46:46,818 INFO L129 PetriNetUnfolder]: 434/955 cut-off events. [2021-03-26 17:46:46,819 INFO L130 PetriNetUnfolder]: For 32517/32683 co-relation queries the response was YES. [2021-03-26 17:46:46,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10381 conditions, 955 events. 434/955 cut-off events. For 32517/32683 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6359 event pairs, 47 based on Foata normal form. 18/953 useless extension candidates. Maximal degree in co-relation 10243. Up to 396 conditions per place. [2021-03-26 17:46:46,833 INFO L142 LiptonReduction]: Number of co-enabled transitions 504 [2021-03-26 17:46:46,857 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:46,857 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:46,857 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-26 17:46:46,857 INFO L480 AbstractCegarLoop]: Abstraction has has 348 places, 478 transitions, 8628 flow [2021-03-26 17:46:46,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:46,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:46,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:46,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 17:46:46,858 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:46,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:46,858 INFO L82 PathProgramCache]: Analyzing trace with hash -952186086, now seen corresponding path program 14 times [2021-03-26 17:46:46,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:46,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144254039] [2021-03-26 17:46:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:46,874 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:46,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:46,879 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:46,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:46,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:46,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:46,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:46,907 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:46,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:46,935 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:46,940 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:46,964 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:46,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:46,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:46,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:47,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:47,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:47,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144254039] [2021-03-26 17:46:47,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:47,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:47,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611820016] [2021-03-26 17:46:47,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:47,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:47,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:47,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:47,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 112 [2021-03-26 17:46:47,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 478 transitions, 8628 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:47,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:47,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 112 [2021-03-26 17:46:47,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:47,700 INFO L129 PetriNetUnfolder]: 648/1261 cut-off events. [2021-03-26 17:46:47,700 INFO L130 PetriNetUnfolder]: For 39719/39750 co-relation queries the response was YES. [2021-03-26 17:46:47,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14113 conditions, 1261 events. 648/1261 cut-off events. For 39719/39750 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 7670 event pairs, 116 based on Foata normal form. 13/1271 useless extension candidates. Maximal degree in co-relation 13973. Up to 1112 conditions per place. [2021-03-26 17:46:47,721 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 410 selfloop transitions, 69 changer transitions 3/490 dead transitions. [2021-03-26 17:46:47,721 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 490 transitions, 9697 flow [2021-03-26 17:46:47,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 416 transitions. [2021-03-26 17:46:47,722 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2021-03-26 17:46:47,722 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 416 transitions. [2021-03-26 17:46:47,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 416 transitions. [2021-03-26 17:46:47,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:47,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 416 transitions. [2021-03-26 17:46:47,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:47,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:47,723 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 112.0) internal successors, (1568), 14 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:47,723 INFO L185 Difference]: Start difference. First operand has 348 places, 478 transitions, 8628 flow. Second operand 13 states and 416 transitions. [2021-03-26 17:46:47,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 490 transitions, 9697 flow [2021-03-26 17:46:47,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 490 transitions, 9499 flow, removed 67 selfloop flow, removed 6 redundant places. [2021-03-26 17:46:47,981 INFO L241 Difference]: Finished difference. Result has 357 places, 484 transitions, 8631 flow [2021-03-26 17:46:47,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=8430, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8631, PETRI_PLACES=357, PETRI_TRANSITIONS=484} [2021-03-26 17:46:47,982 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 318 predicate places. [2021-03-26 17:46:47,982 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:47,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 484 transitions, 8631 flow [2021-03-26 17:46:47,982 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 484 transitions, 8631 flow [2021-03-26 17:46:47,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 354 places, 484 transitions, 8631 flow [2021-03-26 17:46:48,104 INFO L129 PetriNetUnfolder]: 444/974 cut-off events. [2021-03-26 17:46:48,104 INFO L130 PetriNetUnfolder]: For 31435/31600 co-relation queries the response was YES. [2021-03-26 17:46:48,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10454 conditions, 974 events. 444/974 cut-off events. For 31435/31600 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6433 event pairs, 31 based on Foata normal form. 19/973 useless extension candidates. Maximal degree in co-relation 10314. Up to 400 conditions per place. [2021-03-26 17:46:48,121 INFO L142 LiptonReduction]: Number of co-enabled transitions 504 [2021-03-26 17:46:48,219 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:46:48,220 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:46:48,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-03-26 17:46:48,220 INFO L480 AbstractCegarLoop]: Abstraction has has 354 places, 484 transitions, 8633 flow [2021-03-26 17:46:48,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:48,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:48,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:48,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 17:46:48,220 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:48,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:48,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1563579000, now seen corresponding path program 4 times [2021-03-26 17:46:48,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:48,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184151119] [2021-03-26 17:46:48,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:48,231 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:48,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:48,235 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:48,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:48,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:48,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:48,250 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:46:48,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:46:48,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:48,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:48,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:48,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:48,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:48,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:48,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:48,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:48,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:48,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:48,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:48,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:48,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184151119] [2021-03-26 17:46:48,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:48,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:48,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260988947] [2021-03-26 17:46:48,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:48,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:48,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:48,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:48,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:48,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 484 transitions, 8633 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:48,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:48,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:48,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:48,969 INFO L129 PetriNetUnfolder]: 664/1302 cut-off events. [2021-03-26 17:46:48,969 INFO L130 PetriNetUnfolder]: For 39488/39519 co-relation queries the response was YES. [2021-03-26 17:46:48,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14400 conditions, 1302 events. 664/1302 cut-off events. For 39488/39519 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8043 event pairs, 76 based on Foata normal form. 13/1312 useless extension candidates. Maximal degree in co-relation 14258. Up to 1073 conditions per place. [2021-03-26 17:46:48,983 INFO L132 encePairwiseOnDemand]: 89/114 looper letters, 375 selfloop transitions, 130 changer transitions 2/515 dead transitions. [2021-03-26 17:46:48,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 515 transitions, 10115 flow [2021-03-26 17:46:48,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 417 transitions. [2021-03-26 17:46:48,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3048245614035088 [2021-03-26 17:46:48,985 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 417 transitions. [2021-03-26 17:46:48,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 417 transitions. [2021-03-26 17:46:48,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:48,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 417 transitions. [2021-03-26 17:46:48,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 34.75) internal successors, (417), 12 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:48,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:48,986 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:48,986 INFO L185 Difference]: Start difference. First operand has 354 places, 484 transitions, 8633 flow. Second operand 12 states and 417 transitions. [2021-03-26 17:46:48,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 515 transitions, 10115 flow [2021-03-26 17:46:49,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 515 transitions, 10000 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-26 17:46:49,218 INFO L241 Difference]: Finished difference. Result has 362 places, 502 transitions, 9158 flow [2021-03-26 17:46:49,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=8518, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9158, PETRI_PLACES=362, PETRI_TRANSITIONS=502} [2021-03-26 17:46:49,219 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 323 predicate places. [2021-03-26 17:46:49,219 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:49,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 362 places, 502 transitions, 9158 flow [2021-03-26 17:46:49,219 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 362 places, 502 transitions, 9158 flow [2021-03-26 17:46:49,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 362 places, 502 transitions, 9158 flow [2021-03-26 17:46:49,345 INFO L129 PetriNetUnfolder]: 458/1007 cut-off events. [2021-03-26 17:46:49,345 INFO L130 PetriNetUnfolder]: For 33659/33850 co-relation queries the response was YES. [2021-03-26 17:46:49,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10990 conditions, 1007 events. 458/1007 cut-off events. For 33659/33850 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 6687 event pairs, 40 based on Foata normal form. 22/1007 useless extension candidates. Maximal degree in co-relation 10818. Up to 404 conditions per place. [2021-03-26 17:46:49,362 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-26 17:46:49,389 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:49,389 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:49,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-03-26 17:46:49,389 INFO L480 AbstractCegarLoop]: Abstraction has has 362 places, 502 transitions, 9158 flow [2021-03-26 17:46:49,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:49,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:49,389 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:49,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 17:46:49,390 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:49,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:49,390 INFO L82 PathProgramCache]: Analyzing trace with hash -245868356, now seen corresponding path program 5 times [2021-03-26 17:46:49,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:49,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122897910] [2021-03-26 17:46:49,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:49,397 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:49,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:49,401 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:49,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:49,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:49,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:49,415 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:46:49,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:46:49,429 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:46:49,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:46:49,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:49,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:49,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:49,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:49,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:49,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:49,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:49,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:49,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:49,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:49,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122897910] [2021-03-26 17:46:49,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:49,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:46:49,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950854198] [2021-03-26 17:46:49,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:46:49,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:49,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:46:49,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:46:49,489 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:49,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 502 transitions, 9158 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:49,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:49,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:49,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:50,251 INFO L129 PetriNetUnfolder]: 669/1321 cut-off events. [2021-03-26 17:46:50,251 INFO L130 PetriNetUnfolder]: For 43700/43731 co-relation queries the response was YES. [2021-03-26 17:46:50,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15052 conditions, 1321 events. 669/1321 cut-off events. For 43700/43731 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8157 event pairs, 123 based on Foata normal form. 13/1331 useless extension candidates. Maximal degree in co-relation 14888. Up to 1096 conditions per place. [2021-03-26 17:46:50,267 INFO L132 encePairwiseOnDemand]: 89/114 looper letters, 383 selfloop transitions, 133 changer transitions 4/528 dead transitions. [2021-03-26 17:46:50,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 528 transitions, 10836 flow [2021-03-26 17:46:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:46:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:46:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 577 transitions. [2021-03-26 17:46:50,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28118908382066277 [2021-03-26 17:46:50,269 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 577 transitions. [2021-03-26 17:46:50,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 577 transitions. [2021-03-26 17:46:50,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:50,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 577 transitions. [2021-03-26 17:46:50,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.05555555555556) internal successors, (577), 18 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:50,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 114.0) internal successors, (2166), 19 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:50,271 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 114.0) internal successors, (2166), 19 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:50,271 INFO L185 Difference]: Start difference. First operand has 362 places, 502 transitions, 9158 flow. Second operand 18 states and 577 transitions. [2021-03-26 17:46:50,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 528 transitions, 10836 flow [2021-03-26 17:46:50,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 528 transitions, 10716 flow, removed 39 selfloop flow, removed 2 redundant places. [2021-03-26 17:46:50,509 INFO L241 Difference]: Finished difference. Result has 386 places, 514 transitions, 9756 flow [2021-03-26 17:46:50,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=9040, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=9756, PETRI_PLACES=386, PETRI_TRANSITIONS=514} [2021-03-26 17:46:50,509 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 347 predicate places. [2021-03-26 17:46:50,509 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:50,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 514 transitions, 9756 flow [2021-03-26 17:46:50,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 514 transitions, 9756 flow [2021-03-26 17:46:50,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 383 places, 514 transitions, 9756 flow [2021-03-26 17:46:50,688 INFO L129 PetriNetUnfolder]: 465/1022 cut-off events. [2021-03-26 17:46:50,688 INFO L130 PetriNetUnfolder]: For 38414/38588 co-relation queries the response was YES. [2021-03-26 17:46:50,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11616 conditions, 1022 events. 465/1022 cut-off events. For 38414/38588 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6811 event pairs, 33 based on Foata normal form. 24/1023 useless extension candidates. Maximal degree in co-relation 11463. Up to 413 conditions per place. [2021-03-26 17:46:50,707 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 17:46:50,734 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:50,734 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:50,734 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 17:46:50,735 INFO L480 AbstractCegarLoop]: Abstraction has has 383 places, 514 transitions, 9756 flow [2021-03-26 17:46:50,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:50,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:50,735 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:50,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 17:46:50,735 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:50,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:50,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1842423295, now seen corresponding path program 1 times [2021-03-26 17:46:50,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:50,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456806151] [2021-03-26 17:46:50,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:50,745 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:50,750 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:50,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:50,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:50,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:50,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:50,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:50,779 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:50,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:50,802 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:50,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:50,807 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:46:50,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:50,825 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:50,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:50,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:50,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:50,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:50,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:50,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456806151] [2021-03-26 17:46:50,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:50,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:50,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752217365] [2021-03-26 17:46:50,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:50,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:50,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:50,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:50,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:50,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 514 transitions, 9756 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:50,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:50,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:50,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:51,532 INFO L129 PetriNetUnfolder]: 701/1377 cut-off events. [2021-03-26 17:46:51,532 INFO L130 PetriNetUnfolder]: For 48516/48547 co-relation queries the response was YES. [2021-03-26 17:46:51,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16088 conditions, 1377 events. 701/1377 cut-off events. For 48516/48547 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 8589 event pairs, 106 based on Foata normal form. 13/1387 useless extension candidates. Maximal degree in co-relation 15933. Up to 1051 conditions per place. [2021-03-26 17:46:51,552 INFO L132 encePairwiseOnDemand]: 83/114 looper letters, 310 selfloop transitions, 229 changer transitions 9/556 dead transitions. [2021-03-26 17:46:51,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 556 transitions, 11664 flow [2021-03-26 17:46:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:46:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:46:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2021-03-26 17:46:51,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2912280701754386 [2021-03-26 17:46:51,553 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 498 transitions. [2021-03-26 17:46:51,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 498 transitions. [2021-03-26 17:46:51,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:51,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 498 transitions. [2021-03-26 17:46:51,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.2) internal successors, (498), 15 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:51,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:51,554 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:51,554 INFO L185 Difference]: Start difference. First operand has 383 places, 514 transitions, 9756 flow. Second operand 15 states and 498 transitions. [2021-03-26 17:46:51,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 556 transitions, 11664 flow [2021-03-26 17:46:51,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 556 transitions, 11378 flow, removed 112 selfloop flow, removed 6 redundant places. [2021-03-26 17:46:51,837 INFO L241 Difference]: Finished difference. Result has 399 places, 535 transitions, 10579 flow [2021-03-26 17:46:51,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=9476, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10579, PETRI_PLACES=399, PETRI_TRANSITIONS=535} [2021-03-26 17:46:51,837 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 360 predicate places. [2021-03-26 17:46:51,837 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:51,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 535 transitions, 10579 flow [2021-03-26 17:46:51,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 535 transitions, 10579 flow [2021-03-26 17:46:51,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 535 transitions, 10579 flow [2021-03-26 17:46:51,967 INFO L129 PetriNetUnfolder]: 478/1058 cut-off events. [2021-03-26 17:46:51,967 INFO L130 PetriNetUnfolder]: For 38372/38611 co-relation queries the response was YES. [2021-03-26 17:46:51,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12223 conditions, 1058 events. 478/1058 cut-off events. For 38372/38611 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 7245 event pairs, 43 based on Foata normal form. 37/1079 useless extension candidates. Maximal degree in co-relation 12064. Up to 421 conditions per place. [2021-03-26 17:46:51,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 552 [2021-03-26 17:46:52,029 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:52,029 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:52,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-26 17:46:52,029 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 535 transitions, 10579 flow [2021-03-26 17:46:52,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:52,030 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:52,030 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:52,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 17:46:52,030 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:52,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:52,030 INFO L82 PathProgramCache]: Analyzing trace with hash -78037788, now seen corresponding path program 2 times [2021-03-26 17:46:52,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:52,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795792787] [2021-03-26 17:46:52,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:52,039 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:52,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:52,044 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:52,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:52,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:52,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:52,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:52,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:52,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:52,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:52,084 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:46:52,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:46:52,103 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:46:52,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:52,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:52,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:52,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:52,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:52,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:52,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:52,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795792787] [2021-03-26 17:46:52,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:52,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:52,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495557918] [2021-03-26 17:46:52,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:52,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:52,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:52,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:52,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:52,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 535 transitions, 10579 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:52,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:52,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:52,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:52,849 INFO L129 PetriNetUnfolder]: 697/1374 cut-off events. [2021-03-26 17:46:52,849 INFO L130 PetriNetUnfolder]: For 46011/46020 co-relation queries the response was YES. [2021-03-26 17:46:52,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16490 conditions, 1374 events. 697/1374 cut-off events. For 46011/46020 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8585 event pairs, 124 based on Foata normal form. 6/1377 useless extension candidates. Maximal degree in co-relation 16324. Up to 1200 conditions per place. [2021-03-26 17:46:52,865 INFO L132 encePairwiseOnDemand]: 92/114 looper letters, 439 selfloop transitions, 97 changer transitions 1/545 dead transitions. [2021-03-26 17:46:52,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 545 transitions, 11861 flow [2021-03-26 17:46:52,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:46:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:46:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 486 transitions. [2021-03-26 17:46:52,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28421052631578947 [2021-03-26 17:46:52,866 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 486 transitions. [2021-03-26 17:46:52,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 486 transitions. [2021-03-26 17:46:52,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:52,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 486 transitions. [2021-03-26 17:46:52,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.4) internal successors, (486), 15 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:52,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:52,868 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:52,868 INFO L185 Difference]: Start difference. First operand has 395 places, 535 transitions, 10579 flow. Second operand 15 states and 486 transitions. [2021-03-26 17:46:52,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 545 transitions, 11861 flow [2021-03-26 17:46:53,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 545 transitions, 11601 flow, removed 17 selfloop flow, removed 7 redundant places. [2021-03-26 17:46:53,150 INFO L241 Difference]: Finished difference. Result has 405 places, 536 transitions, 10566 flow [2021-03-26 17:46:53,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10321, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10566, PETRI_PLACES=405, PETRI_TRANSITIONS=536} [2021-03-26 17:46:53,150 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 366 predicate places. [2021-03-26 17:46:53,150 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:53,150 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 536 transitions, 10566 flow [2021-03-26 17:46:53,150 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 536 transitions, 10566 flow [2021-03-26 17:46:53,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 405 places, 536 transitions, 10566 flow [2021-03-26 17:46:53,281 INFO L129 PetriNetUnfolder]: 484/1077 cut-off events. [2021-03-26 17:46:53,281 INFO L130 PetriNetUnfolder]: For 37873/38132 co-relation queries the response was YES. [2021-03-26 17:46:53,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12273 conditions, 1077 events. 484/1077 cut-off events. For 37873/38132 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 7363 event pairs, 49 based on Foata normal form. 30/1086 useless extension candidates. Maximal degree in co-relation 12099. Up to 432 conditions per place. [2021-03-26 17:46:53,298 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-26 17:46:53,327 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:53,327 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:53,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 17:46:53,327 INFO L480 AbstractCegarLoop]: Abstraction has has 405 places, 536 transitions, 10566 flow [2021-03-26 17:46:53,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:53,327 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:53,327 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:53,327 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 17:46:53,327 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:53,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:53,328 INFO L82 PathProgramCache]: Analyzing trace with hash 670435433, now seen corresponding path program 5 times [2021-03-26 17:46:53,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:53,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627736622] [2021-03-26 17:46:53,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:53,337 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:53,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:53,341 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:53,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:53,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:53,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:53,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:53,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:53,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:53,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:53,372 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:46:53,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:53,386 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:46:53,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:53,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:53,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:53,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:53,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:53,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:53,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627736622] [2021-03-26 17:46:53,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:53,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:53,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178779921] [2021-03-26 17:46:53,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:53,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:53,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:53,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:53,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:53,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 536 transitions, 10566 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:53,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:53,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:53,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:54,109 INFO L129 PetriNetUnfolder]: 696/1384 cut-off events. [2021-03-26 17:46:54,109 INFO L130 PetriNetUnfolder]: For 45365/45396 co-relation queries the response was YES. [2021-03-26 17:46:54,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16382 conditions, 1384 events. 696/1384 cut-off events. For 45365/45396 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8675 event pairs, 113 based on Foata normal form. 16/1398 useless extension candidates. Maximal degree in co-relation 16198. Up to 1177 conditions per place. [2021-03-26 17:46:54,127 INFO L132 encePairwiseOnDemand]: 91/114 looper letters, 424 selfloop transitions, 108 changer transitions 7/547 dead transitions. [2021-03-26 17:46:54,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 547 transitions, 11827 flow [2021-03-26 17:46:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:46:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:46:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 432 transitions. [2021-03-26 17:46:54,128 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.291497975708502 [2021-03-26 17:46:54,128 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 432 transitions. [2021-03-26 17:46:54,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 432 transitions. [2021-03-26 17:46:54,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:54,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 432 transitions. [2021-03-26 17:46:54,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.23076923076923) internal successors, (432), 13 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:54,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:54,129 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:54,129 INFO L185 Difference]: Start difference. First operand has 405 places, 536 transitions, 10566 flow. Second operand 13 states and 432 transitions. [2021-03-26 17:46:54,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 547 transitions, 11827 flow [2021-03-26 17:46:54,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 547 transitions, 11623 flow, removed 15 selfloop flow, removed 13 redundant places. [2021-03-26 17:46:54,381 INFO L241 Difference]: Finished difference. Result has 407 places, 532 transitions, 10551 flow [2021-03-26 17:46:54,381 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10362, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10551, PETRI_PLACES=407, PETRI_TRANSITIONS=532} [2021-03-26 17:46:54,381 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 368 predicate places. [2021-03-26 17:46:54,381 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:54,382 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 532 transitions, 10551 flow [2021-03-26 17:46:54,382 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 532 transitions, 10551 flow [2021-03-26 17:46:54,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 401 places, 532 transitions, 10551 flow [2021-03-26 17:46:54,518 INFO L129 PetriNetUnfolder]: 468/1056 cut-off events. [2021-03-26 17:46:54,518 INFO L130 PetriNetUnfolder]: For 35979/36220 co-relation queries the response was YES. [2021-03-26 17:46:54,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12089 conditions, 1056 events. 468/1056 cut-off events. For 35979/36220 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 7154 event pairs, 30 based on Foata normal form. 33/1079 useless extension candidates. Maximal degree in co-relation 11924. Up to 420 conditions per place. [2021-03-26 17:46:54,534 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-26 17:46:54,563 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:54,563 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:54,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-03-26 17:46:54,564 INFO L480 AbstractCegarLoop]: Abstraction has has 401 places, 532 transitions, 10551 flow [2021-03-26 17:46:54,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:54,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:54,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:54,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 17:46:54,564 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:54,564 INFO L82 PathProgramCache]: Analyzing trace with hash -646911163, now seen corresponding path program 6 times [2021-03-26 17:46:54,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:54,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857183010] [2021-03-26 17:46:54,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:54,574 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:54,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:54,579 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:54,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:54,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:54,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:54,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:54,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:54,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:54,609 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:46:54,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:54,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:54,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:46:54,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:54,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:54,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:54,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:54,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:54,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:54,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857183010] [2021-03-26 17:46:54,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:54,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:54,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660007044] [2021-03-26 17:46:54,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:54,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:54,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:54,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:54,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:54,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 532 transitions, 10551 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:54,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:54,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:54,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:55,195 INFO L129 PetriNetUnfolder]: 694/1371 cut-off events. [2021-03-26 17:46:55,195 INFO L130 PetriNetUnfolder]: For 46540/46584 co-relation queries the response was YES. [2021-03-26 17:46:55,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16355 conditions, 1371 events. 694/1371 cut-off events. For 46540/46584 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8520 event pairs, 145 based on Foata normal form. 14/1381 useless extension candidates. Maximal degree in co-relation 16187. Up to 1194 conditions per place. [2021-03-26 17:46:55,213 INFO L132 encePairwiseOnDemand]: 91/114 looper letters, 427 selfloop transitions, 95 changer transitions 6/536 dead transitions. [2021-03-26 17:46:55,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 536 transitions, 11669 flow [2021-03-26 17:46:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:55,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:55,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 367 transitions. [2021-03-26 17:46:55,214 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2926634768740032 [2021-03-26 17:46:55,214 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 367 transitions. [2021-03-26 17:46:55,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 367 transitions. [2021-03-26 17:46:55,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:55,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 367 transitions. [2021-03-26 17:46:55,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.36363636363637) internal successors, (367), 11 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:55,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:55,215 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:55,215 INFO L185 Difference]: Start difference. First operand has 401 places, 532 transitions, 10551 flow. Second operand 11 states and 367 transitions. [2021-03-26 17:46:55,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 536 transitions, 11669 flow [2021-03-26 17:46:55,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 536 transitions, 11447 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:55,472 INFO L241 Difference]: Finished difference. Result has 402 places, 526 transitions, 10420 flow [2021-03-26 17:46:55,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10329, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10420, PETRI_PLACES=402, PETRI_TRANSITIONS=526} [2021-03-26 17:46:55,472 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-26 17:46:55,473 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:55,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 526 transitions, 10420 flow [2021-03-26 17:46:55,473 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 526 transitions, 10420 flow [2021-03-26 17:46:55,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 526 transitions, 10420 flow [2021-03-26 17:46:55,621 INFO L129 PetriNetUnfolder]: 474/1048 cut-off events. [2021-03-26 17:46:55,621 INFO L130 PetriNetUnfolder]: For 36795/37103 co-relation queries the response was YES. [2021-03-26 17:46:55,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12083 conditions, 1048 events. 474/1048 cut-off events. For 36795/37103 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 7026 event pairs, 47 based on Foata normal form. 36/1062 useless extension candidates. Maximal degree in co-relation 11920. Up to 422 conditions per place. [2021-03-26 17:46:55,637 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-26 17:46:55,666 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:55,666 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:55,666 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 193 [2021-03-26 17:46:55,666 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 526 transitions, 10420 flow [2021-03-26 17:46:55,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:55,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:55,666 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:55,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 17:46:55,666 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:55,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1578803321, now seen corresponding path program 2 times [2021-03-26 17:46:55,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:55,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990491125] [2021-03-26 17:46:55,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:55,677 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:55,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:55,682 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:55,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:55,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:55,709 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:55,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:55,730 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:55,734 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:46:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:55,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:55,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:55,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:55,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:55,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:55,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:55,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990491125] [2021-03-26 17:46:55,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:55,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:55,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289683126] [2021-03-26 17:46:55,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:55,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:55,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:55,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:55,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:55,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 526 transitions, 10420 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:55,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:55,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:55,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:56,473 INFO L129 PetriNetUnfolder]: 693/1369 cut-off events. [2021-03-26 17:46:56,473 INFO L130 PetriNetUnfolder]: For 46080/46111 co-relation queries the response was YES. [2021-03-26 17:46:56,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16326 conditions, 1369 events. 693/1369 cut-off events. For 46080/46111 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8538 event pairs, 107 based on Foata normal form. 13/1379 useless extension candidates. Maximal degree in co-relation 16160. Up to 1004 conditions per place. [2021-03-26 17:46:56,491 INFO L132 encePairwiseOnDemand]: 82/114 looper letters, 274 selfloop transitions, 259 changer transitions 4/545 dead transitions. [2021-03-26 17:46:56,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 545 transitions, 11896 flow [2021-03-26 17:46:56,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:46:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:46:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 475 transitions. [2021-03-26 17:46:56,493 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2976190476190476 [2021-03-26 17:46:56,493 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 475 transitions. [2021-03-26 17:46:56,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 475 transitions. [2021-03-26 17:46:56,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:56,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 475 transitions. [2021-03-26 17:46:56,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.92857142857143) internal successors, (475), 14 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:56,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 114.0) internal successors, (1710), 15 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:56,495 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 114.0) internal successors, (1710), 15 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:56,495 INFO L185 Difference]: Start difference. First operand has 395 places, 526 transitions, 10420 flow. Second operand 14 states and 475 transitions. [2021-03-26 17:46:56,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 545 transitions, 11896 flow [2021-03-26 17:46:56,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 545 transitions, 11508 flow, removed 51 selfloop flow, removed 13 redundant places. [2021-03-26 17:46:56,804 INFO L241 Difference]: Finished difference. Result has 398 places, 527 transitions, 10663 flow [2021-03-26 17:46:56,804 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10062, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10663, PETRI_PLACES=398, PETRI_TRANSITIONS=527} [2021-03-26 17:46:56,804 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 359 predicate places. [2021-03-26 17:46:56,804 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:56,804 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 527 transitions, 10663 flow [2021-03-26 17:46:56,805 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 527 transitions, 10663 flow [2021-03-26 17:46:56,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 527 transitions, 10663 flow [2021-03-26 17:46:56,935 INFO L129 PetriNetUnfolder]: 479/1065 cut-off events. [2021-03-26 17:46:56,936 INFO L130 PetriNetUnfolder]: For 36187/36406 co-relation queries the response was YES. [2021-03-26 17:46:56,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12232 conditions, 1065 events. 479/1065 cut-off events. For 36187/36406 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 7287 event pairs, 30 based on Foata normal form. 23/1065 useless extension candidates. Maximal degree in co-relation 12071. Up to 430 conditions per place. [2021-03-26 17:46:56,952 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-26 17:46:56,980 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:56,980 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:56,980 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 176 [2021-03-26 17:46:56,980 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 527 transitions, 10663 flow [2021-03-26 17:46:56,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:56,981 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:56,981 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:56,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 17:46:56,981 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:56,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:56,981 INFO L82 PathProgramCache]: Analyzing trace with hash -505177272, now seen corresponding path program 6 times [2021-03-26 17:46:56,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:56,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646102151] [2021-03-26 17:46:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:57,000 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:57,004 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:57,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:57,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:57,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:57,018 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:46:57,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:46:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:46:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:46:57,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:46:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:46:57,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:57,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:57,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:57,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:57,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646102151] [2021-03-26 17:46:57,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:57,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:57,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526578132] [2021-03-26 17:46:57,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:57,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:57,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:57,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:57,064 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:57,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 527 transitions, 10663 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:57,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:57,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:57,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:57,670 INFO L129 PetriNetUnfolder]: 691/1371 cut-off events. [2021-03-26 17:46:57,670 INFO L130 PetriNetUnfolder]: For 44998/45029 co-relation queries the response was YES. [2021-03-26 17:46:57,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16227 conditions, 1371 events. 691/1371 cut-off events. For 44998/45029 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8581 event pairs, 110 based on Foata normal form. 16/1385 useless extension candidates. Maximal degree in co-relation 16063. Up to 1138 conditions per place. [2021-03-26 17:46:57,690 INFO L132 encePairwiseOnDemand]: 89/114 looper letters, 387 selfloop transitions, 140 changer transitions 3/538 dead transitions. [2021-03-26 17:46:57,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 538 transitions, 11897 flow [2021-03-26 17:46:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:46:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:46:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 384 transitions. [2021-03-26 17:46:57,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3062200956937799 [2021-03-26 17:46:57,691 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 384 transitions. [2021-03-26 17:46:57,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 384 transitions. [2021-03-26 17:46:57,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:57,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 384 transitions. [2021-03-26 17:46:57,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.90909090909091) internal successors, (384), 11 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:57,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:57,692 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:57,692 INFO L185 Difference]: Start difference. First operand has 396 places, 527 transitions, 10663 flow. Second operand 11 states and 384 transitions. [2021-03-26 17:46:57,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 538 transitions, 11897 flow [2021-03-26 17:46:57,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 538 transitions, 11404 flow, removed 24 selfloop flow, removed 10 redundant places. [2021-03-26 17:46:57,955 INFO L241 Difference]: Finished difference. Result has 399 places, 528 transitions, 10514 flow [2021-03-26 17:46:57,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10170, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10514, PETRI_PLACES=399, PETRI_TRANSITIONS=528} [2021-03-26 17:46:57,955 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 360 predicate places. [2021-03-26 17:46:57,955 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:57,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 399 places, 528 transitions, 10514 flow [2021-03-26 17:46:57,956 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 399 places, 528 transitions, 10514 flow [2021-03-26 17:46:57,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 528 transitions, 10514 flow [2021-03-26 17:46:58,086 INFO L129 PetriNetUnfolder]: 468/1056 cut-off events. [2021-03-26 17:46:58,086 INFO L130 PetriNetUnfolder]: For 35069/35243 co-relation queries the response was YES. [2021-03-26 17:46:58,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12056 conditions, 1056 events. 468/1056 cut-off events. For 35069/35243 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 7251 event pairs, 38 based on Foata normal form. 33/1072 useless extension candidates. Maximal degree in co-relation 11894. Up to 417 conditions per place. [2021-03-26 17:46:58,103 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-26 17:46:58,132 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:58,132 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:58,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 17:46:58,133 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 528 transitions, 10514 flow [2021-03-26 17:46:58,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:58,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:58,133 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:58,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 17:46:58,133 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:58,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:58,133 INFO L82 PathProgramCache]: Analyzing trace with hash -684011688, now seen corresponding path program 1 times [2021-03-26 17:46:58,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:58,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642326217] [2021-03-26 17:46:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:58,141 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:58,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:58,145 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:58,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:58,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:58,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:58,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:58,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:58,168 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:58,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:58,186 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:58,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:58,190 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:58,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:58,209 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:58,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:58,227 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:58,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:58,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:58,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642326217] [2021-03-26 17:46:58,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:58,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:46:58,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095783515] [2021-03-26 17:46:58,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:46:58,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:58,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:46:58,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:46:58,232 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:58,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 528 transitions, 10514 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:58,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:58,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:58,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:46:58,803 INFO L129 PetriNetUnfolder]: 690/1371 cut-off events. [2021-03-26 17:46:58,803 INFO L130 PetriNetUnfolder]: For 44488/44524 co-relation queries the response was YES. [2021-03-26 17:46:58,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16134 conditions, 1371 events. 690/1371 cut-off events. For 44488/44524 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8565 event pairs, 141 based on Foata normal form. 18/1386 useless extension candidates. Maximal degree in co-relation 15969. Up to 1207 conditions per place. [2021-03-26 17:46:58,821 INFO L132 encePairwiseOnDemand]: 95/114 looper letters, 454 selfloop transitions, 67 changer transitions 2/531 dead transitions. [2021-03-26 17:46:58,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 531 transitions, 11578 flow [2021-03-26 17:46:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:46:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:46:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 388 transitions. [2021-03-26 17:46:58,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28362573099415206 [2021-03-26 17:46:58,822 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 388 transitions. [2021-03-26 17:46:58,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 388 transitions. [2021-03-26 17:46:58,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:46:58,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 388 transitions. [2021-03-26 17:46:58,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.333333333333336) internal successors, (388), 12 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:58,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:58,823 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:58,823 INFO L185 Difference]: Start difference. First operand has 398 places, 528 transitions, 10514 flow. Second operand 12 states and 388 transitions. [2021-03-26 17:46:58,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 531 transitions, 11578 flow [2021-03-26 17:46:59,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 531 transitions, 11316 flow, removed 9 selfloop flow, removed 9 redundant places. [2021-03-26 17:46:59,090 INFO L241 Difference]: Finished difference. Result has 402 places, 527 transitions, 10409 flow [2021-03-26 17:46:59,090 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10252, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10409, PETRI_PLACES=402, PETRI_TRANSITIONS=527} [2021-03-26 17:46:59,090 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-26 17:46:59,091 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:46:59,091 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 527 transitions, 10409 flow [2021-03-26 17:46:59,091 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 527 transitions, 10409 flow [2021-03-26 17:46:59,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 401 places, 527 transitions, 10409 flow [2021-03-26 17:46:59,221 INFO L129 PetriNetUnfolder]: 469/1055 cut-off events. [2021-03-26 17:46:59,221 INFO L130 PetriNetUnfolder]: For 36975/37190 co-relation queries the response was YES. [2021-03-26 17:46:59,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12019 conditions, 1055 events. 469/1055 cut-off events. For 36975/37190 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 7225 event pairs, 32 based on Foata normal form. 33/1069 useless extension candidates. Maximal degree in co-relation 11860. Up to 423 conditions per place. [2021-03-26 17:46:59,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-26 17:46:59,265 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:46:59,266 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:46:59,266 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 175 [2021-03-26 17:46:59,266 INFO L480 AbstractCegarLoop]: Abstraction has has 401 places, 527 transitions, 10409 flow [2021-03-26 17:46:59,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:59,266 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:46:59,266 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:46:59,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 17:46:59,266 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:46:59,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:46:59,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1891422610, now seen corresponding path program 2 times [2021-03-26 17:46:59,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:46:59,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285259210] [2021-03-26 17:46:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:46:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:46:59,277 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:46:59,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:59,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:46:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:46:59,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:59,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:46:59,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:46:59,307 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:59,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:59,328 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:46:59,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:46:59,332 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:46:59,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:46:59,353 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:46:59,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:46:59,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:59,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:59,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:46:59,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:46:59,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:46:59,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285259210] [2021-03-26 17:46:59,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:46:59,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:46:59,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955444706] [2021-03-26 17:46:59,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:46:59,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:46:59,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:46:59,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:46:59,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:46:59,382 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 527 transitions, 10409 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:46:59,382 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:46:59,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:46:59,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:00,035 INFO L129 PetriNetUnfolder]: 689/1366 cut-off events. [2021-03-26 17:47:00,035 INFO L130 PetriNetUnfolder]: For 43907/43938 co-relation queries the response was YES. [2021-03-26 17:47:00,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16025 conditions, 1366 events. 689/1366 cut-off events. For 43907/43938 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 8514 event pairs, 141 based on Foata normal form. 13/1376 useless extension candidates. Maximal degree in co-relation 15864. Up to 1205 conditions per place. [2021-03-26 17:47:00,053 INFO L132 encePairwiseOnDemand]: 95/114 looper letters, 453 selfloop transitions, 65 changer transitions 3/529 dead transitions. [2021-03-26 17:47:00,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 529 transitions, 11462 flow [2021-03-26 17:47:00,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:47:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:47:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 413 transitions. [2021-03-26 17:47:00,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2786774628879892 [2021-03-26 17:47:00,054 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 413 transitions. [2021-03-26 17:47:00,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 413 transitions. [2021-03-26 17:47:00,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:00,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 413 transitions. [2021-03-26 17:47:00,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.76923076923077) internal successors, (413), 13 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:00,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:00,056 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:00,056 INFO L185 Difference]: Start difference. First operand has 401 places, 527 transitions, 10409 flow. Second operand 13 states and 413 transitions. [2021-03-26 17:47:00,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 529 transitions, 11462 flow [2021-03-26 17:47:00,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 529 transitions, 11295 flow, removed 2 selfloop flow, removed 12 redundant places. [2021-03-26 17:47:00,343 INFO L241 Difference]: Finished difference. Result has 402 places, 524 transitions, 10327 flow [2021-03-26 17:47:00,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10242, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10327, PETRI_PLACES=402, PETRI_TRANSITIONS=524} [2021-03-26 17:47:00,343 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-26 17:47:00,343 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:00,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 524 transitions, 10327 flow [2021-03-26 17:47:00,343 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 524 transitions, 10327 flow [2021-03-26 17:47:00,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 524 transitions, 10327 flow [2021-03-26 17:47:00,485 INFO L129 PetriNetUnfolder]: 469/1052 cut-off events. [2021-03-26 17:47:00,485 INFO L130 PetriNetUnfolder]: For 37479/37706 co-relation queries the response was YES. [2021-03-26 17:47:00,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12047 conditions, 1052 events. 469/1052 cut-off events. For 37479/37706 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7155 event pairs, 32 based on Foata normal form. 37/1066 useless extension candidates. Maximal degree in co-relation 11886. Up to 425 conditions per place. [2021-03-26 17:47:00,501 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-26 17:47:00,581 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:00,582 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:00,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-03-26 17:47:00,582 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 524 transitions, 10327 flow [2021-03-26 17:47:00,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:00,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:00,582 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:00,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 17:47:00,582 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:00,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:00,583 INFO L82 PathProgramCache]: Analyzing trace with hash -195425712, now seen corresponding path program 15 times [2021-03-26 17:47:00,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:00,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508282154] [2021-03-26 17:47:00,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:00,592 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:00,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:00,596 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:00,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:00,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:00,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:00,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:00,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:00,619 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:00,637 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:00,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:00,656 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:00,678 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:00,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:00,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:00,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:00,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:00,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:00,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508282154] [2021-03-26 17:47:00,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:00,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:00,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224389335] [2021-03-26 17:47:00,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:00,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:00,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:00,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:00,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:47:00,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 524 transitions, 10327 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:00,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:00,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:47:00,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:01,330 INFO L129 PetriNetUnfolder]: 688/1363 cut-off events. [2021-03-26 17:47:01,330 INFO L130 PetriNetUnfolder]: For 43723/43754 co-relation queries the response was YES. [2021-03-26 17:47:01,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15973 conditions, 1363 events. 688/1363 cut-off events. For 43723/43754 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8490 event pairs, 141 based on Foata normal form. 13/1373 useless extension candidates. Maximal degree in co-relation 15809. Up to 1197 conditions per place. [2021-03-26 17:47:01,349 INFO L132 encePairwiseOnDemand]: 96/114 looper letters, 448 selfloop transitions, 69 changer transitions 3/528 dead transitions. [2021-03-26 17:47:01,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 528 transitions, 11401 flow [2021-03-26 17:47:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:01,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 471 transitions. [2021-03-26 17:47:01,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2754385964912281 [2021-03-26 17:47:01,350 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 471 transitions. [2021-03-26 17:47:01,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 471 transitions. [2021-03-26 17:47:01,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:01,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 471 transitions. [2021-03-26 17:47:01,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.4) internal successors, (471), 15 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:01,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:01,351 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:01,351 INFO L185 Difference]: Start difference. First operand has 398 places, 524 transitions, 10327 flow. Second operand 15 states and 471 transitions. [2021-03-26 17:47:01,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 528 transitions, 11401 flow [2021-03-26 17:47:01,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 528 transitions, 11245 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-26 17:47:01,629 INFO L241 Difference]: Finished difference. Result has 402 places, 522 transitions, 10287 flow [2021-03-26 17:47:01,629 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10173, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10287, PETRI_PLACES=402, PETRI_TRANSITIONS=522} [2021-03-26 17:47:01,629 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-26 17:47:01,629 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:01,629 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 522 transitions, 10287 flow [2021-03-26 17:47:01,629 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 522 transitions, 10287 flow [2021-03-26 17:47:01,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 522 transitions, 10287 flow [2021-03-26 17:47:01,758 INFO L129 PetriNetUnfolder]: 471/1052 cut-off events. [2021-03-26 17:47:01,758 INFO L130 PetriNetUnfolder]: For 37512/37723 co-relation queries the response was YES. [2021-03-26 17:47:01,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12014 conditions, 1052 events. 471/1052 cut-off events. For 37512/37723 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7177 event pairs, 48 based on Foata normal form. 36/1066 useless extension candidates. Maximal degree in co-relation 11853. Up to 427 conditions per place. [2021-03-26 17:47:01,774 INFO L142 LiptonReduction]: Number of co-enabled transitions 560 [2021-03-26 17:47:01,802 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:01,802 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:01,802 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 173 [2021-03-26 17:47:01,802 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 522 transitions, 10287 flow [2021-03-26 17:47:01,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:01,802 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:01,802 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:01,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 17:47:01,803 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:01,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:01,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1956283094, now seen corresponding path program 16 times [2021-03-26 17:47:01,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:01,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482422869] [2021-03-26 17:47:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:01,813 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:01,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:01,818 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:01,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:01,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:01,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:01,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:01,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:01,852 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:01,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:01,871 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:01,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:01,891 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:01,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:01,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:01,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:01,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:01,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482422869] [2021-03-26 17:47:01,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:01,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:01,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758505621] [2021-03-26 17:47:01,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:01,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:01,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:01,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:01,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:47:01,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 522 transitions, 10287 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:01,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:01,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:47:01,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:02,514 INFO L129 PetriNetUnfolder]: 687/1360 cut-off events. [2021-03-26 17:47:02,514 INFO L130 PetriNetUnfolder]: For 43455/43491 co-relation queries the response was YES. [2021-03-26 17:47:02,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15947 conditions, 1360 events. 687/1360 cut-off events. For 43455/43491 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8460 event pairs, 116 based on Foata normal form. 18/1375 useless extension candidates. Maximal degree in co-relation 15783. Up to 1222 conditions per place. [2021-03-26 17:47:02,540 INFO L132 encePairwiseOnDemand]: 97/114 looper letters, 474 selfloop transitions, 44 changer transitions 3/529 dead transitions. [2021-03-26 17:47:02,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 529 transitions, 11414 flow [2021-03-26 17:47:02,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:47:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:47:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 378 transitions. [2021-03-26 17:47:02,541 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27631578947368424 [2021-03-26 17:47:02,542 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 378 transitions. [2021-03-26 17:47:02,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 378 transitions. [2021-03-26 17:47:02,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:02,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 378 transitions. [2021-03-26 17:47:02,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.5) internal successors, (378), 12 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:02,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:02,543 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:02,543 INFO L185 Difference]: Start difference. First operand has 398 places, 522 transitions, 10287 flow. Second operand 12 states and 378 transitions. [2021-03-26 17:47:02,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 529 transitions, 11414 flow [2021-03-26 17:47:02,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 529 transitions, 11262 flow, removed 4 selfloop flow, removed 14 redundant places. [2021-03-26 17:47:02,816 INFO L241 Difference]: Finished difference. Result has 397 places, 520 transitions, 10199 flow [2021-03-26 17:47:02,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10143, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10199, PETRI_PLACES=397, PETRI_TRANSITIONS=520} [2021-03-26 17:47:02,816 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-03-26 17:47:02,816 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:02,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 520 transitions, 10199 flow [2021-03-26 17:47:02,816 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 520 transitions, 10199 flow [2021-03-26 17:47:02,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 393 places, 520 transitions, 10199 flow [2021-03-26 17:47:02,965 INFO L129 PetriNetUnfolder]: 467/1046 cut-off events. [2021-03-26 17:47:02,965 INFO L130 PetriNetUnfolder]: For 37387/37614 co-relation queries the response was YES. [2021-03-26 17:47:02,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11969 conditions, 1046 events. 467/1046 cut-off events. For 37387/37614 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 7070 event pairs, 31 based on Foata normal form. 37/1060 useless extension candidates. Maximal degree in co-relation 11811. Up to 425 conditions per place. [2021-03-26 17:47:02,986 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-26 17:47:03,014 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:03,014 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:03,014 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 198 [2021-03-26 17:47:03,014 INFO L480 AbstractCegarLoop]: Abstraction has has 393 places, 520 transitions, 10199 flow [2021-03-26 17:47:03,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:03,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:03,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:03,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 17:47:03,015 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:03,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:03,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1051987301, now seen corresponding path program 9 times [2021-03-26 17:47:03,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:03,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647713649] [2021-03-26 17:47:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:03,022 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:03,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:03,027 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:03,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:03,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:03,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:03,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:03,053 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:03,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:03,076 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:03,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:03,097 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:03,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:03,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:03,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:03,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:03,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:03,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:03,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:03,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:03,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647713649] [2021-03-26 17:47:03,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:03,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:03,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320637363] [2021-03-26 17:47:03,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:03,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:03,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:03,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:03,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:47:03,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 520 transitions, 10199 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:03,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:03,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:47:03,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:03,782 INFO L129 PetriNetUnfolder]: 686/1358 cut-off events. [2021-03-26 17:47:03,782 INFO L130 PetriNetUnfolder]: For 43928/43937 co-relation queries the response was YES. [2021-03-26 17:47:03,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15924 conditions, 1358 events. 686/1358 cut-off events. For 43928/43937 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8446 event pairs, 141 based on Foata normal form. 6/1361 useless extension candidates. Maximal degree in co-relation 15764. Up to 1191 conditions per place. [2021-03-26 17:47:03,800 INFO L132 encePairwiseOnDemand]: 96/114 looper letters, 449 selfloop transitions, 69 changer transitions 2/528 dead transitions. [2021-03-26 17:47:03,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 528 transitions, 11377 flow [2021-03-26 17:47:03,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:47:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:47:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 498 transitions. [2021-03-26 17:47:03,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2730263157894737 [2021-03-26 17:47:03,801 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 498 transitions. [2021-03-26 17:47:03,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 498 transitions. [2021-03-26 17:47:03,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:03,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 498 transitions. [2021-03-26 17:47:03,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.125) internal successors, (498), 16 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:03,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 114.0) internal successors, (1938), 17 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:03,802 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 114.0) internal successors, (1938), 17 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:03,802 INFO L185 Difference]: Start difference. First operand has 393 places, 520 transitions, 10199 flow. Second operand 16 states and 498 transitions. [2021-03-26 17:47:03,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 528 transitions, 11377 flow [2021-03-26 17:47:04,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 528 transitions, 11260 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 17:47:04,068 INFO L241 Difference]: Finished difference. Result has 398 places, 521 transitions, 10283 flow [2021-03-26 17:47:04,068 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10082, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10283, PETRI_PLACES=398, PETRI_TRANSITIONS=521} [2021-03-26 17:47:04,068 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 359 predicate places. [2021-03-26 17:47:04,068 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:04,068 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 521 transitions, 10283 flow [2021-03-26 17:47:04,069 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 521 transitions, 10283 flow [2021-03-26 17:47:04,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 521 transitions, 10283 flow [2021-03-26 17:47:04,196 INFO L129 PetriNetUnfolder]: 470/1048 cut-off events. [2021-03-26 17:47:04,196 INFO L130 PetriNetUnfolder]: For 38789/38994 co-relation queries the response was YES. [2021-03-26 17:47:04,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12036 conditions, 1048 events. 470/1048 cut-off events. For 38789/38994 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7149 event pairs, 48 based on Foata normal form. 36/1061 useless extension candidates. Maximal degree in co-relation 11877. Up to 428 conditions per place. [2021-03-26 17:47:04,211 INFO L142 LiptonReduction]: Number of co-enabled transitions 554 [2021-03-26 17:47:04,239 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:04,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:04,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 171 [2021-03-26 17:47:04,239 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 521 transitions, 10283 flow [2021-03-26 17:47:04,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:04,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:04,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:04,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 17:47:04,240 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:04,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:04,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1684950720, now seen corresponding path program 17 times [2021-03-26 17:47:04,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:04,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71352952] [2021-03-26 17:47:04,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:04,251 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:04,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:04,256 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:04,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:04,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:04,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:04,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:04,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:04,283 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:04,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:04,304 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:04,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:04,307 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:47:04,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:04,324 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:04,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:04,341 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:04,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:04,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:04,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:04,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71352952] [2021-03-26 17:47:04,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:04,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:47:04,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674826231] [2021-03-26 17:47:04,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:47:04,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:04,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:47:04,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:47:04,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:47:04,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 521 transitions, 10283 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:04,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:04,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:47:04,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:04,908 INFO L129 PetriNetUnfolder]: 685/1356 cut-off events. [2021-03-26 17:47:04,908 INFO L130 PetriNetUnfolder]: For 44531/44562 co-relation queries the response was YES. [2021-03-26 17:47:04,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15957 conditions, 1356 events. 685/1356 cut-off events. For 44531/44562 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8424 event pairs, 141 based on Foata normal form. 13/1366 useless extension candidates. Maximal degree in co-relation 15795. Up to 1198 conditions per place. [2021-03-26 17:47:04,924 INFO L132 encePairwiseOnDemand]: 98/114 looper letters, 451 selfloop transitions, 63 changer transitions 2/524 dead transitions. [2021-03-26 17:47:04,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 524 transitions, 11332 flow [2021-03-26 17:47:04,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:47:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:47:04,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 384 transitions. [2021-03-26 17:47:04,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2807017543859649 [2021-03-26 17:47:04,927 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 384 transitions. [2021-03-26 17:47:04,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 384 transitions. [2021-03-26 17:47:04,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:04,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 384 transitions. [2021-03-26 17:47:04,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.0) internal successors, (384), 12 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:04,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:04,928 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:04,928 INFO L185 Difference]: Start difference. First operand has 396 places, 521 transitions, 10283 flow. Second operand 12 states and 384 transitions. [2021-03-26 17:47:04,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 524 transitions, 11332 flow [2021-03-26 17:47:05,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 524 transitions, 11146 flow, removed 36 selfloop flow, removed 13 redundant places. [2021-03-26 17:47:05,184 INFO L241 Difference]: Finished difference. Result has 396 places, 520 transitions, 10245 flow [2021-03-26 17:47:05,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10099, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10245, PETRI_PLACES=396, PETRI_TRANSITIONS=520} [2021-03-26 17:47:05,184 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 357 predicate places. [2021-03-26 17:47:05,184 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:05,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 396 places, 520 transitions, 10245 flow [2021-03-26 17:47:05,185 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 396 places, 520 transitions, 10245 flow [2021-03-26 17:47:05,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 520 transitions, 10245 flow [2021-03-26 17:47:05,313 INFO L129 PetriNetUnfolder]: 471/1053 cut-off events. [2021-03-26 17:47:05,313 INFO L130 PetriNetUnfolder]: For 38009/38201 co-relation queries the response was YES. [2021-03-26 17:47:05,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12111 conditions, 1053 events. 471/1053 cut-off events. For 38009/38201 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7177 event pairs, 32 based on Foata normal form. 35/1065 useless extension candidates. Maximal degree in co-relation 11955. Up to 427 conditions per place. [2021-03-26 17:47:05,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 552 [2021-03-26 17:47:05,356 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:05,356 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:05,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 172 [2021-03-26 17:47:05,357 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 520 transitions, 10245 flow [2021-03-26 17:47:05,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:05,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:05,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:05,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 17:47:05,357 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:05,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:05,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1308240662, now seen corresponding path program 18 times [2021-03-26 17:47:05,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:05,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457236401] [2021-03-26 17:47:05,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:05,366 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:05,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:05,370 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:05,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:05,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:05,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:05,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:05,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:05,394 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:05,412 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:05,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:05,416 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:47:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:05,433 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:05,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:05,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:05,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:05,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:05,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457236401] [2021-03-26 17:47:05,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:05,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:05,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255292411] [2021-03-26 17:47:05,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:05,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:05,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:05,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:05,469 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 114 [2021-03-26 17:47:05,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 520 transitions, 10245 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:05,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:05,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 114 [2021-03-26 17:47:05,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:06,021 INFO L129 PetriNetUnfolder]: 684/1353 cut-off events. [2021-03-26 17:47:06,021 INFO L130 PetriNetUnfolder]: For 44090/44121 co-relation queries the response was YES. [2021-03-26 17:47:06,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15919 conditions, 1353 events. 684/1353 cut-off events. For 44090/44121 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8394 event pairs, 140 based on Foata normal form. 13/1363 useless extension candidates. Maximal degree in co-relation 15761. Up to 1196 conditions per place. [2021-03-26 17:47:06,039 INFO L132 encePairwiseOnDemand]: 98/114 looper letters, 450 selfloop transitions, 60 changer transitions 4/522 dead transitions. [2021-03-26 17:47:06,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 522 transitions, 11281 flow [2021-03-26 17:47:06,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:47:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:47:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 409 transitions. [2021-03-26 17:47:06,040 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2759784075573549 [2021-03-26 17:47:06,040 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 409 transitions. [2021-03-26 17:47:06,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 409 transitions. [2021-03-26 17:47:06,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:06,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 409 transitions. [2021-03-26 17:47:06,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.46153846153846) internal successors, (409), 13 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:06,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:06,041 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:06,041 INFO L185 Difference]: Start difference. First operand has 395 places, 520 transitions, 10245 flow. Second operand 13 states and 409 transitions. [2021-03-26 17:47:06,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 522 transitions, 11281 flow [2021-03-26 17:47:06,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 522 transitions, 11119 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-26 17:47:06,306 INFO L241 Difference]: Finished difference. Result has 397 places, 516 transitions, 10160 flow [2021-03-26 17:47:06,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=10083, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10160, PETRI_PLACES=397, PETRI_TRANSITIONS=516} [2021-03-26 17:47:06,306 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-03-26 17:47:06,306 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:06,306 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 516 transitions, 10160 flow [2021-03-26 17:47:06,306 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 516 transitions, 10160 flow [2021-03-26 17:47:06,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 516 transitions, 10160 flow [2021-03-26 17:47:06,434 INFO L129 PetriNetUnfolder]: 472/1048 cut-off events. [2021-03-26 17:47:06,434 INFO L130 PetriNetUnfolder]: For 37927/38126 co-relation queries the response was YES. [2021-03-26 17:47:06,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12049 conditions, 1048 events. 472/1048 cut-off events. For 37927/38126 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7091 event pairs, 38 based on Foata normal form. 35/1061 useless extension candidates. Maximal degree in co-relation 11891. Up to 431 conditions per place. [2021-03-26 17:47:06,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-26 17:47:06,531 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:06,531 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:47:06,531 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 17:47:06,531 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 516 transitions, 10163 flow [2021-03-26 17:47:06,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:06,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:06,531 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:06,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 17:47:06,531 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:06,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:06,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1369441697, now seen corresponding path program 2 times [2021-03-26 17:47:06,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:06,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66395375] [2021-03-26 17:47:06,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:06,556 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:06,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:06,561 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:06,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:06,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:06,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:06,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:06,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:06,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:06,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:06,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:06,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:06,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:06,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:06,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:06,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:06,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:06,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:06,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:06,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:06,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66395375] [2021-03-26 17:47:06,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:06,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:06,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987573812] [2021-03-26 17:47:06,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:06,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:06,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:06,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:06,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-26 17:47:06,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 516 transitions, 10163 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:06,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:06,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-26 17:47:06,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:07,493 INFO L129 PetriNetUnfolder]: 683/1353 cut-off events. [2021-03-26 17:47:07,493 INFO L130 PetriNetUnfolder]: For 43710/43741 co-relation queries the response was YES. [2021-03-26 17:47:07,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15882 conditions, 1353 events. 683/1353 cut-off events. For 43710/43741 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8425 event pairs, 104 based on Foata normal form. 13/1363 useless extension candidates. Maximal degree in co-relation 15721. Up to 1149 conditions per place. [2021-03-26 17:47:07,509 INFO L132 encePairwiseOnDemand]: 91/115 looper letters, 401 selfloop transitions, 116 changer transitions 5/530 dead transitions. [2021-03-26 17:47:07,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 530 transitions, 11473 flow [2021-03-26 17:47:07,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 485 transitions. [2021-03-26 17:47:07,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2811594202898551 [2021-03-26 17:47:07,510 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 485 transitions. [2021-03-26 17:47:07,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 485 transitions. [2021-03-26 17:47:07,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:07,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 485 transitions. [2021-03-26 17:47:07,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.333333333333336) internal successors, (485), 15 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:07,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:07,511 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:07,511 INFO L185 Difference]: Start difference. First operand has 390 places, 516 transitions, 10163 flow. Second operand 15 states and 485 transitions. [2021-03-26 17:47:07,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 530 transitions, 11473 flow [2021-03-26 17:47:07,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 530 transitions, 11311 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-26 17:47:07,760 INFO L241 Difference]: Finished difference. Result has 393 places, 512 transitions, 10179 flow [2021-03-26 17:47:07,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=10003, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10179, PETRI_PLACES=393, PETRI_TRANSITIONS=512} [2021-03-26 17:47:07,760 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 354 predicate places. [2021-03-26 17:47:07,760 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:07,760 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 393 places, 512 transitions, 10179 flow [2021-03-26 17:47:07,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 393 places, 512 transitions, 10179 flow [2021-03-26 17:47:07,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 389 places, 512 transitions, 10179 flow [2021-03-26 17:47:07,882 INFO L129 PetriNetUnfolder]: 452/1023 cut-off events. [2021-03-26 17:47:07,882 INFO L130 PetriNetUnfolder]: For 34960/35151 co-relation queries the response was YES. [2021-03-26 17:47:07,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11697 conditions, 1023 events. 452/1023 cut-off events. For 34960/35151 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6899 event pairs, 34 based on Foata normal form. 23/1028 useless extension candidates. Maximal degree in co-relation 11541. Up to 414 conditions per place. [2021-03-26 17:47:07,897 INFO L142 LiptonReduction]: Number of co-enabled transitions 540 [2021-03-26 17:47:07,924 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:07,924 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:07,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 164 [2021-03-26 17:47:07,924 INFO L480 AbstractCegarLoop]: Abstraction has has 389 places, 512 transitions, 10179 flow [2021-03-26 17:47:07,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:07,924 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:07,924 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:07,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 17:47:07,925 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:07,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:07,925 INFO L82 PathProgramCache]: Analyzing trace with hash -606128915, now seen corresponding path program 1 times [2021-03-26 17:47:07,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:07,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249662536] [2021-03-26 17:47:07,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:07,940 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:07,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:07,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:07,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:07,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:07,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:07,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:07,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:07,971 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:07,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:07,993 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:07,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:08,017 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:08,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:08,048 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:08,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:08,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:08,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:08,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:08,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:08,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249662536] [2021-03-26 17:47:08,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:08,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:08,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176148229] [2021-03-26 17:47:08,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:08,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:08,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:08,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:08,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-26 17:47:08,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 512 transitions, 10179 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:08,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:08,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-26 17:47:08,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:08,858 INFO L129 PetriNetUnfolder]: 685/1360 cut-off events. [2021-03-26 17:47:08,858 INFO L130 PetriNetUnfolder]: For 44015/44046 co-relation queries the response was YES. [2021-03-26 17:47:08,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15942 conditions, 1360 events. 685/1360 cut-off events. For 44015/44046 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8492 event pairs, 118 based on Foata normal form. 13/1370 useless extension candidates. Maximal degree in co-relation 15783. Up to 1032 conditions per place. [2021-03-26 17:47:08,877 INFO L132 encePairwiseOnDemand]: 85/115 looper letters, 293 selfloop transitions, 226 changer transitions 10/537 dead transitions. [2021-03-26 17:47:08,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 537 transitions, 11794 flow [2021-03-26 17:47:08,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:47:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:47:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 609 transitions. [2021-03-26 17:47:08,878 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2787185354691076 [2021-03-26 17:47:08,878 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 609 transitions. [2021-03-26 17:47:08,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 609 transitions. [2021-03-26 17:47:08,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:08,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 609 transitions. [2021-03-26 17:47:08,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.05263157894737) internal successors, (609), 19 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) [2021-03-26 17:47:08,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 115.0) internal successors, (2300), 20 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:08,880 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 115.0) internal successors, (2300), 20 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:08,880 INFO L185 Difference]: Start difference. First operand has 389 places, 512 transitions, 10179 flow. Second operand 19 states and 609 transitions. [2021-03-26 17:47:08,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 537 transitions, 11794 flow [2021-03-26 17:47:09,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 537 transitions, 11554 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-26 17:47:09,147 INFO L241 Difference]: Finished difference. Result has 403 places, 515 transitions, 10585 flow [2021-03-26 17:47:09,147 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=9939, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10585, PETRI_PLACES=403, PETRI_TRANSITIONS=515} [2021-03-26 17:47:09,147 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 364 predicate places. [2021-03-26 17:47:09,147 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:09,147 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 515 transitions, 10585 flow [2021-03-26 17:47:09,148 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 515 transitions, 10585 flow [2021-03-26 17:47:09,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 515 transitions, 10585 flow [2021-03-26 17:47:09,273 INFO L129 PetriNetUnfolder]: 448/1015 cut-off events. [2021-03-26 17:47:09,274 INFO L130 PetriNetUnfolder]: For 42512/42738 co-relation queries the response was YES. [2021-03-26 17:47:09,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12167 conditions, 1015 events. 448/1015 cut-off events. For 42512/42738 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6915 event pairs, 43 based on Foata normal form. 26/1020 useless extension candidates. Maximal degree in co-relation 12008. Up to 419 conditions per place. [2021-03-26 17:47:09,289 INFO L142 LiptonReduction]: Number of co-enabled transitions 540 [2021-03-26 17:47:09,316 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:09,316 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:09,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-26 17:47:09,316 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 515 transitions, 10585 flow [2021-03-26 17:47:09,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:09,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:09,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:09,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 17:47:09,316 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:09,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:09,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1479869595, now seen corresponding path program 2 times [2021-03-26 17:47:09,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:09,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885619883] [2021-03-26 17:47:09,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:09,324 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:09,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:09,328 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:09,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:09,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:09,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:09,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:09,351 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:09,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:09,373 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:09,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:09,397 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:09,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:09,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:09,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:09,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:09,459 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:09,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:09,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885619883] [2021-03-26 17:47:09,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:09,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:09,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006605373] [2021-03-26 17:47:09,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:09,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:09,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:09,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:09,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 115 [2021-03-26 17:47:09,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 515 transitions, 10585 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:09,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:09,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 115 [2021-03-26 17:47:09,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:10,283 INFO L129 PetriNetUnfolder]: 687/1371 cut-off events. [2021-03-26 17:47:10,284 INFO L130 PetriNetUnfolder]: For 50074/50105 co-relation queries the response was YES. [2021-03-26 17:47:10,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16695 conditions, 1371 events. 687/1371 cut-off events. For 50074/50105 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8583 event pairs, 112 based on Foata normal form. 14/1382 useless extension candidates. Maximal degree in co-relation 16534. Up to 994 conditions per place. [2021-03-26 17:47:10,304 INFO L132 encePairwiseOnDemand]: 84/115 looper letters, 266 selfloop transitions, 260 changer transitions 10/544 dead transitions. [2021-03-26 17:47:10,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 544 transitions, 12226 flow [2021-03-26 17:47:10,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:47:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:47:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 538 transitions. [2021-03-26 17:47:10,305 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29239130434782606 [2021-03-26 17:47:10,305 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 538 transitions. [2021-03-26 17:47:10,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 538 transitions. [2021-03-26 17:47:10,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:10,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 538 transitions. [2021-03-26 17:47:10,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.625) internal successors, (538), 16 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:10,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 115.0) internal successors, (1955), 17 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:10,307 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 115.0) internal successors, (1955), 17 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:10,307 INFO L185 Difference]: Start difference. First operand has 397 places, 515 transitions, 10585 flow. Second operand 16 states and 538 transitions. [2021-03-26 17:47:10,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 544 transitions, 12226 flow [2021-03-26 17:47:10,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 544 transitions, 11747 flow, removed 33 selfloop flow, removed 16 redundant places. [2021-03-26 17:47:10,599 INFO L241 Difference]: Finished difference. Result has 402 places, 519 transitions, 10904 flow [2021-03-26 17:47:10,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=10132, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10904, PETRI_PLACES=402, PETRI_TRANSITIONS=519} [2021-03-26 17:47:10,600 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 363 predicate places. [2021-03-26 17:47:10,600 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:10,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 519 transitions, 10904 flow [2021-03-26 17:47:10,600 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 519 transitions, 10904 flow [2021-03-26 17:47:10,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 402 places, 519 transitions, 10904 flow [2021-03-26 17:47:10,729 INFO L129 PetriNetUnfolder]: 448/1023 cut-off events. [2021-03-26 17:47:10,729 INFO L130 PetriNetUnfolder]: For 39540/39733 co-relation queries the response was YES. [2021-03-26 17:47:10,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12280 conditions, 1023 events. 448/1023 cut-off events. For 39540/39733 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 6993 event pairs, 40 based on Foata normal form. 23/1026 useless extension candidates. Maximal degree in co-relation 12107. Up to 406 conditions per place. [2021-03-26 17:47:10,744 INFO L142 LiptonReduction]: Number of co-enabled transitions 542 [2021-03-26 17:47:10,827 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:10,827 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:47:10,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-03-26 17:47:10,827 INFO L480 AbstractCegarLoop]: Abstraction has has 402 places, 519 transitions, 10920 flow [2021-03-26 17:47:10,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:10,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:10,827 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:10,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 17:47:10,828 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:10,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:10,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1610671518, now seen corresponding path program 3 times [2021-03-26 17:47:10,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:10,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252493382] [2021-03-26 17:47:10,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:10,852 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:10,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:10,856 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:10,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:10,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:10,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:10,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:10,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:10,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:10,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:10,896 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:47:10,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:47:10,914 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:47:10,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:10,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:10,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:10,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:10,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:10,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:10,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252493382] [2021-03-26 17:47:10,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:10,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:10,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217717677] [2021-03-26 17:47:10,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:10,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:10,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:10,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:10,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 17:47:10,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 519 transitions, 10920 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:10,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:10,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 17:47:10,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:11,668 INFO L129 PetriNetUnfolder]: 685/1355 cut-off events. [2021-03-26 17:47:11,668 INFO L130 PetriNetUnfolder]: For 49580/49606 co-relation queries the response was YES. [2021-03-26 17:47:11,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16762 conditions, 1355 events. 685/1355 cut-off events. For 49580/49606 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8424 event pairs, 126 based on Foata normal form. 16/1369 useless extension candidates. Maximal degree in co-relation 16585. Up to 1164 conditions per place. [2021-03-26 17:47:11,687 INFO L132 encePairwiseOnDemand]: 95/116 looper letters, 419 selfloop transitions, 98 changer transitions 7/532 dead transitions. [2021-03-26 17:47:11,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 532 transitions, 12193 flow [2021-03-26 17:47:11,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:47:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:47:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 546 transitions. [2021-03-26 17:47:11,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2768762677484787 [2021-03-26 17:47:11,688 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 546 transitions. [2021-03-26 17:47:11,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 546 transitions. [2021-03-26 17:47:11,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:11,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 546 transitions. [2021-03-26 17:47:11,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.11764705882353) internal successors, (546), 17 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) [2021-03-26 17:47:11,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 116.0) internal successors, (2088), 18 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:11,690 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 116.0) internal successors, (2088), 18 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:11,690 INFO L185 Difference]: Start difference. First operand has 402 places, 519 transitions, 10920 flow. Second operand 17 states and 546 transitions. [2021-03-26 17:47:11,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 532 transitions, 12193 flow [2021-03-26 17:47:11,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 532 transitions, 11565 flow, removed 48 selfloop flow, removed 17 redundant places. [2021-03-26 17:47:11,961 INFO L241 Difference]: Finished difference. Result has 403 places, 514 transitions, 10390 flow [2021-03-26 17:47:11,961 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10292, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=10390, PETRI_PLACES=403, PETRI_TRANSITIONS=514} [2021-03-26 17:47:11,961 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 364 predicate places. [2021-03-26 17:47:11,961 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:11,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 514 transitions, 10390 flow [2021-03-26 17:47:11,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 514 transitions, 10390 flow [2021-03-26 17:47:11,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 514 transitions, 10390 flow [2021-03-26 17:47:12,133 INFO L129 PetriNetUnfolder]: 448/1013 cut-off events. [2021-03-26 17:47:12,133 INFO L130 PetriNetUnfolder]: For 36358/36534 co-relation queries the response was YES. [2021-03-26 17:47:12,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11973 conditions, 1013 events. 448/1013 cut-off events. For 36358/36534 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6869 event pairs, 29 based on Foata normal form. 18/1012 useless extension candidates. Maximal degree in co-relation 11816. Up to 403 conditions per place. [2021-03-26 17:47:12,149 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 17:47:12,176 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:12,176 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:12,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-26 17:47:12,176 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 514 transitions, 10390 flow [2021-03-26 17:47:12,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:12,176 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:12,176 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:12,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 17:47:12,176 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:12,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:12,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1410551946, now seen corresponding path program 1 times [2021-03-26 17:47:12,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:12,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164558807] [2021-03-26 17:47:12,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:12,186 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:12,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:12,190 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:12,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:12,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:12,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:12,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:12,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:12,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:12,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:12,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:12,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:12,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:12,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:12,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:12,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:12,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:12,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:12,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:12,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:12,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164558807] [2021-03-26 17:47:12,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:12,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:12,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677468509] [2021-03-26 17:47:12,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:12,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:12,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:12,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:12,264 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 17:47:12,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 514 transitions, 10390 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:12,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:12,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 17:47:12,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:12,843 INFO L129 PetriNetUnfolder]: 689/1355 cut-off events. [2021-03-26 17:47:12,843 INFO L130 PetriNetUnfolder]: For 49495/49531 co-relation queries the response was YES. [2021-03-26 17:47:12,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16544 conditions, 1355 events. 689/1355 cut-off events. For 49495/49531 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8375 event pairs, 136 based on Foata normal form. 18/1370 useless extension candidates. Maximal degree in co-relation 16385. Up to 1176 conditions per place. [2021-03-26 17:47:12,860 INFO L132 encePairwiseOnDemand]: 95/116 looper letters, 419 selfloop transitions, 100 changer transitions 2/529 dead transitions. [2021-03-26 17:47:12,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 529 transitions, 11721 flow [2021-03-26 17:47:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 481 transitions. [2021-03-26 17:47:12,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2764367816091954 [2021-03-26 17:47:12,862 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 481 transitions. [2021-03-26 17:47:12,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 481 transitions. [2021-03-26 17:47:12,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:12,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 481 transitions. [2021-03-26 17:47:12,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.06666666666667) internal successors, (481), 15 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:12,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 116.0) internal successors, (1856), 16 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:12,863 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 116.0) internal successors, (1856), 16 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:12,863 INFO L185 Difference]: Start difference. First operand has 396 places, 514 transitions, 10390 flow. Second operand 15 states and 481 transitions. [2021-03-26 17:47:12,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 529 transitions, 11721 flow [2021-03-26 17:47:13,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 529 transitions, 11489 flow, removed 14 selfloop flow, removed 19 redundant places. [2021-03-26 17:47:13,124 INFO L241 Difference]: Finished difference. Result has 397 places, 520 transitions, 10539 flow [2021-03-26 17:47:13,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10164, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10539, PETRI_PLACES=397, PETRI_TRANSITIONS=520} [2021-03-26 17:47:13,124 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 358 predicate places. [2021-03-26 17:47:13,124 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:13,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 520 transitions, 10539 flow [2021-03-26 17:47:13,124 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 520 transitions, 10539 flow [2021-03-26 17:47:13,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 520 transitions, 10539 flow [2021-03-26 17:47:13,250 INFO L129 PetriNetUnfolder]: 455/1027 cut-off events. [2021-03-26 17:47:13,250 INFO L130 PetriNetUnfolder]: For 38666/38951 co-relation queries the response was YES. [2021-03-26 17:47:13,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12108 conditions, 1027 events. 455/1027 cut-off events. For 38666/38951 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 7065 event pairs, 31 based on Foata normal form. 35/1038 useless extension candidates. Maximal degree in co-relation 11953. Up to 409 conditions per place. [2021-03-26 17:47:13,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 17:47:13,293 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:13,293 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:13,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-26 17:47:13,293 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 520 transitions, 10539 flow [2021-03-26 17:47:13,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:13,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:13,293 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:13,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 17:47:13,293 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:13,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:13,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1001761473, now seen corresponding path program 1 times [2021-03-26 17:47:13,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:13,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770225131] [2021-03-26 17:47:13,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:13,302 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:13,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:13,306 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:13,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:13,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:13,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:13,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:13,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:13,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:13,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:13,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:13,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:13,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:13,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:13,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:13,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:13,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:13,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:13,381 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:13,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:13,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770225131] [2021-03-26 17:47:13,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:13,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:13,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502378881] [2021-03-26 17:47:13,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:13,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:13,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:13,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:13,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 17:47:13,384 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 520 transitions, 10539 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:13,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:13,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 17:47:13,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:14,048 INFO L129 PetriNetUnfolder]: 688/1355 cut-off events. [2021-03-26 17:47:14,049 INFO L130 PetriNetUnfolder]: For 48818/48849 co-relation queries the response was YES. [2021-03-26 17:47:14,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16512 conditions, 1355 events. 688/1355 cut-off events. For 48818/48849 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 8449 event pairs, 111 based on Foata normal form. 13/1365 useless extension candidates. Maximal degree in co-relation 16355. Up to 1123 conditions per place. [2021-03-26 17:47:14,068 INFO L132 encePairwiseOnDemand]: 94/116 looper letters, 397 selfloop transitions, 129 changer transitions 2/536 dead transitions. [2021-03-26 17:47:14,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 536 transitions, 11972 flow [2021-03-26 17:47:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:47:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:47:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 511 transitions. [2021-03-26 17:47:14,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27532327586206895 [2021-03-26 17:47:14,069 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 511 transitions. [2021-03-26 17:47:14,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 511 transitions. [2021-03-26 17:47:14,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:14,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 511 transitions. [2021-03-26 17:47:14,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 31.9375) internal successors, (511), 16 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:14,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:14,070 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:14,070 INFO L185 Difference]: Start difference. First operand has 395 places, 520 transitions, 10539 flow. Second operand 16 states and 511 transitions. [2021-03-26 17:47:14,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 536 transitions, 11972 flow [2021-03-26 17:47:14,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 536 transitions, 11758 flow, removed 26 selfloop flow, removed 10 redundant places. [2021-03-26 17:47:14,334 INFO L241 Difference]: Finished difference. Result has 403 places, 520 transitions, 10651 flow [2021-03-26 17:47:14,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10327, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10651, PETRI_PLACES=403, PETRI_TRANSITIONS=520} [2021-03-26 17:47:14,335 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 364 predicate places. [2021-03-26 17:47:14,335 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:14,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 403 places, 520 transitions, 10651 flow [2021-03-26 17:47:14,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 403 places, 520 transitions, 10651 flow [2021-03-26 17:47:14,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 401 places, 520 transitions, 10651 flow [2021-03-26 17:47:14,461 INFO L129 PetriNetUnfolder]: 448/1020 cut-off events. [2021-03-26 17:47:14,461 INFO L130 PetriNetUnfolder]: For 37529/37701 co-relation queries the response was YES. [2021-03-26 17:47:14,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12114 conditions, 1020 events. 448/1020 cut-off events. For 37529/37701 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 6992 event pairs, 29 based on Foata normal form. 24/1028 useless extension candidates. Maximal degree in co-relation 11958. Up to 403 conditions per place. [2021-03-26 17:47:14,477 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 17:47:14,519 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:14,520 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:14,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-26 17:47:14,520 INFO L480 AbstractCegarLoop]: Abstraction has has 401 places, 520 transitions, 10651 flow [2021-03-26 17:47:14,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:14,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:14,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:14,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 17:47:14,520 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:14,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:14,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1198168040, now seen corresponding path program 7 times [2021-03-26 17:47:14,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:14,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846686849] [2021-03-26 17:47:14,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:14,529 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:14,533 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:14,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:14,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:14,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:14,549 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:47:14,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:47:14,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:14,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:14,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:14,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:14,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:14,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:14,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:14,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:14,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:14,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:14,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:14,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:14,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846686849] [2021-03-26 17:47:14,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:14,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:14,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518663721] [2021-03-26 17:47:14,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:14,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:14,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:14,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:14,613 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 17:47:14,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 520 transitions, 10651 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:14,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:14,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 17:47:14,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:15,430 INFO L129 PetriNetUnfolder]: 693/1366 cut-off events. [2021-03-26 17:47:15,431 INFO L130 PetriNetUnfolder]: For 51375/51406 co-relation queries the response was YES. [2021-03-26 17:47:15,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16811 conditions, 1366 events. 693/1366 cut-off events. For 51375/51406 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8513 event pairs, 132 based on Foata normal form. 13/1376 useless extension candidates. Maximal degree in co-relation 16653. Up to 1121 conditions per place. [2021-03-26 17:47:15,449 INFO L132 encePairwiseOnDemand]: 91/116 looper letters, 373 selfloop transitions, 157 changer transitions 5/543 dead transitions. [2021-03-26 17:47:15,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 543 transitions, 12244 flow [2021-03-26 17:47:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:47:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:47:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 533 transitions. [2021-03-26 17:47:15,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28717672413793105 [2021-03-26 17:47:15,450 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 533 transitions. [2021-03-26 17:47:15,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 533 transitions. [2021-03-26 17:47:15,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:15,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 533 transitions. [2021-03-26 17:47:15,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.3125) internal successors, (533), 16 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:15,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:15,452 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 116.0) internal successors, (1972), 17 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:15,452 INFO L185 Difference]: Start difference. First operand has 401 places, 520 transitions, 10651 flow. Second operand 16 states and 533 transitions. [2021-03-26 17:47:15,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 543 transitions, 12244 flow [2021-03-26 17:47:15,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 543 transitions, 11946 flow, removed 28 selfloop flow, removed 14 redundant places. [2021-03-26 17:47:15,743 INFO L241 Difference]: Finished difference. Result has 407 places, 527 transitions, 10893 flow [2021-03-26 17:47:15,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10357, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10893, PETRI_PLACES=407, PETRI_TRANSITIONS=527} [2021-03-26 17:47:15,743 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 368 predicate places. [2021-03-26 17:47:15,743 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:15,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 527 transitions, 10893 flow [2021-03-26 17:47:15,743 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 527 transitions, 10893 flow [2021-03-26 17:47:15,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 407 places, 527 transitions, 10893 flow [2021-03-26 17:47:15,875 INFO L129 PetriNetUnfolder]: 458/1026 cut-off events. [2021-03-26 17:47:15,875 INFO L130 PetriNetUnfolder]: For 40148/40389 co-relation queries the response was YES. [2021-03-26 17:47:15,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12413 conditions, 1026 events. 458/1026 cut-off events. For 40148/40389 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7008 event pairs, 29 based on Foata normal form. 31/1029 useless extension candidates. Maximal degree in co-relation 12237. Up to 413 conditions per place. [2021-03-26 17:47:15,891 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-26 17:47:15,919 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:15,919 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:15,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 176 [2021-03-26 17:47:15,920 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 527 transitions, 10893 flow [2021-03-26 17:47:15,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:15,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:15,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:15,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 17:47:15,920 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:15,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:15,920 INFO L82 PathProgramCache]: Analyzing trace with hash -921338614, now seen corresponding path program 1 times [2021-03-26 17:47:15,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:15,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186194238] [2021-03-26 17:47:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:15,929 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:15,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:15,934 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:15,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:15,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:15,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:15,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:15,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:15,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:15,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:15,976 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:47:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:15,992 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:47:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:15,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:16,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:16,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:16,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186194238] [2021-03-26 17:47:16,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:16,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:47:16,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178839809] [2021-03-26 17:47:16,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:47:16,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:16,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:47:16,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:47:16,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 17:47:16,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 527 transitions, 10893 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:16,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:16,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 17:47:16,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:16,630 INFO L129 PetriNetUnfolder]: 692/1360 cut-off events. [2021-03-26 17:47:16,630 INFO L130 PetriNetUnfolder]: For 51103/51121 co-relation queries the response was YES. [2021-03-26 17:47:16,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16882 conditions, 1360 events. 692/1360 cut-off events. For 51103/51121 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8465 event pairs, 140 based on Foata normal form. 12/1369 useless extension candidates. Maximal degree in co-relation 16685. Up to 1109 conditions per place. [2021-03-26 17:47:16,648 INFO L132 encePairwiseOnDemand]: 91/116 looper letters, 380 selfloop transitions, 148 changer transitions 3/539 dead transitions. [2021-03-26 17:47:16,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 539 transitions, 12181 flow [2021-03-26 17:47:16,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:47:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:47:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 389 transitions. [2021-03-26 17:47:16,650 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.304858934169279 [2021-03-26 17:47:16,650 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 389 transitions. [2021-03-26 17:47:16,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 389 transitions. [2021-03-26 17:47:16,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:16,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 389 transitions. [2021-03-26 17:47:16,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 35.36363636363637) internal successors, (389), 11 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:16,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 116.0) internal successors, (1392), 12 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:16,651 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 116.0) internal successors, (1392), 12 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:16,651 INFO L185 Difference]: Start difference. First operand has 407 places, 527 transitions, 10893 flow. Second operand 11 states and 389 transitions. [2021-03-26 17:47:16,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 539 transitions, 12181 flow [2021-03-26 17:47:16,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 539 transitions, 11983 flow, removed 48 selfloop flow, removed 8 redundant places. [2021-03-26 17:47:16,929 INFO L241 Difference]: Finished difference. Result has 411 places, 525 transitions, 11045 flow [2021-03-26 17:47:16,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10695, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11045, PETRI_PLACES=411, PETRI_TRANSITIONS=525} [2021-03-26 17:47:16,930 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 372 predicate places. [2021-03-26 17:47:16,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:16,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 411 places, 525 transitions, 11045 flow [2021-03-26 17:47:16,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 411 places, 525 transitions, 11045 flow [2021-03-26 17:47:16,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 410 places, 525 transitions, 11045 flow [2021-03-26 17:47:17,063 INFO L129 PetriNetUnfolder]: 468/1029 cut-off events. [2021-03-26 17:47:17,063 INFO L130 PetriNetUnfolder]: For 43705/44004 co-relation queries the response was YES. [2021-03-26 17:47:17,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12705 conditions, 1029 events. 468/1029 cut-off events. For 43705/44004 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 6899 event pairs, 39 based on Foata normal form. 36/1037 useless extension candidates. Maximal degree in co-relation 12527. Up to 421 conditions per place. [2021-03-26 17:47:17,079 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-26 17:47:17,107 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:17,107 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:17,107 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 17:47:17,107 INFO L480 AbstractCegarLoop]: Abstraction has has 410 places, 525 transitions, 11045 flow [2021-03-26 17:47:17,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:17,107 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:17,107 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] [2021-03-26 17:47:17,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 17:47:17,108 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:17,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:17,108 INFO L82 PathProgramCache]: Analyzing trace with hash -443743506, now seen corresponding path program 1 times [2021-03-26 17:47:17,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:17,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619288903] [2021-03-26 17:47:17,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:17,117 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:17,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:17,121 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:17,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:17,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:17,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:17,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:17,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:17,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:17,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:17,164 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:47:17,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:17,179 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:47:17,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:17,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:17,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:17,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619288903] [2021-03-26 17:47:17,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:17,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:47:17,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934750903] [2021-03-26 17:47:17,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:47:17,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:17,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:47:17,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:47:17,219 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 116 [2021-03-26 17:47:17,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 525 transitions, 11045 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:17,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:17,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 116 [2021-03-26 17:47:17,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:17,865 INFO L129 PetriNetUnfolder]: 714/1405 cut-off events. [2021-03-26 17:47:17,865 INFO L130 PetriNetUnfolder]: For 57352/57383 co-relation queries the response was YES. [2021-03-26 17:47:17,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17968 conditions, 1405 events. 714/1405 cut-off events. For 57352/57383 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 8776 event pairs, 111 based on Foata normal form. 23/1427 useless extension candidates. Maximal degree in co-relation 17774. Up to 1234 conditions per place. [2021-03-26 17:47:17,886 INFO L132 encePairwiseOnDemand]: 101/116 looper letters, 494 selfloop transitions, 57 changer transitions 6/565 dead transitions. [2021-03-26 17:47:17,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 565 transitions, 13449 flow [2021-03-26 17:47:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:47:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:47:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 534 transitions. [2021-03-26 17:47:17,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27079107505070993 [2021-03-26 17:47:17,889 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 534 transitions. [2021-03-26 17:47:17,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 534 transitions. [2021-03-26 17:47:17,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:17,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 534 transitions. [2021-03-26 17:47:17,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 31.41176470588235) internal successors, (534), 17 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:17,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 116.0) internal successors, (2088), 18 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:17,891 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 116.0) internal successors, (2088), 18 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:17,891 INFO L185 Difference]: Start difference. First operand has 410 places, 525 transitions, 11045 flow. Second operand 17 states and 534 transitions. [2021-03-26 17:47:17,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 565 transitions, 13449 flow [2021-03-26 17:47:18,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 565 transitions, 13016 flow, removed 16 selfloop flow, removed 12 redundant places. [2021-03-26 17:47:18,225 INFO L241 Difference]: Finished difference. Result has 421 places, 546 transitions, 11594 flow [2021-03-26 17:47:18,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=10645, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11594, PETRI_PLACES=421, PETRI_TRANSITIONS=546} [2021-03-26 17:47:18,225 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 382 predicate places. [2021-03-26 17:47:18,225 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:18,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 546 transitions, 11594 flow [2021-03-26 17:47:18,225 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 546 transitions, 11594 flow [2021-03-26 17:47:18,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 546 transitions, 11594 flow [2021-03-26 17:47:18,370 INFO L129 PetriNetUnfolder]: 488/1079 cut-off events. [2021-03-26 17:47:18,370 INFO L130 PetriNetUnfolder]: For 47245/47492 co-relation queries the response was YES. [2021-03-26 17:47:18,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13445 conditions, 1079 events. 488/1079 cut-off events. For 47245/47492 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7363 event pairs, 46 based on Foata normal form. 20/1074 useless extension candidates. Maximal degree in co-relation 13264. Up to 451 conditions per place. [2021-03-26 17:47:18,388 INFO L142 LiptonReduction]: Number of co-enabled transitions 546 [2021-03-26 17:47:18,505 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:18,505 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:47:18,505 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 280 [2021-03-26 17:47:18,505 INFO L480 AbstractCegarLoop]: Abstraction has has 418 places, 546 transitions, 11617 flow [2021-03-26 17:47:18,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:18,505 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:18,505 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] [2021-03-26 17:47:18,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 17:47:18,506 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:18,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:18,506 INFO L82 PathProgramCache]: Analyzing trace with hash -173105370, now seen corresponding path program 2 times [2021-03-26 17:47:18,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:18,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608718906] [2021-03-26 17:47:18,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:18,524 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:18,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:18,529 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:18,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:18,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:18,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:18,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:18,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:18,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:18,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:18,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608718906] [2021-03-26 17:47:18,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:18,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:47:18,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534076521] [2021-03-26 17:47:18,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:47:18,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:18,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:47:18,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:47:18,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 118 [2021-03-26 17:47:18,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 546 transitions, 11617 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:18,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:18,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 118 [2021-03-26 17:47:18,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:19,321 INFO L129 PetriNetUnfolder]: 712/1414 cut-off events. [2021-03-26 17:47:19,321 INFO L130 PetriNetUnfolder]: For 61086/61112 co-relation queries the response was YES. [2021-03-26 17:47:19,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18125 conditions, 1414 events. 712/1414 cut-off events. For 61086/61112 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8895 event pairs, 154 based on Foata normal form. 14/1427 useless extension candidates. Maximal degree in co-relation 17926. Up to 1269 conditions per place. [2021-03-26 17:47:19,341 INFO L132 encePairwiseOnDemand]: 102/118 looper letters, 512 selfloop transitions, 46 changer transitions 2/568 dead transitions. [2021-03-26 17:47:19,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 568 transitions, 13347 flow [2021-03-26 17:47:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 471 transitions. [2021-03-26 17:47:19,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26610169491525426 [2021-03-26 17:47:19,342 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 471 transitions. [2021-03-26 17:47:19,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 471 transitions. [2021-03-26 17:47:19,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:19,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 471 transitions. [2021-03-26 17:47:19,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 31.4) internal successors, (471), 15 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:19,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 118.0) internal successors, (1888), 16 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:19,344 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 118.0) internal successors, (1888), 16 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:19,344 INFO L185 Difference]: Start difference. First operand has 418 places, 546 transitions, 11617 flow. Second operand 15 states and 471 transitions. [2021-03-26 17:47:19,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 568 transitions, 13347 flow [2021-03-26 17:47:19,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 568 transitions, 12750 flow, removed 293 selfloop flow, removed 2 redundant places. [2021-03-26 17:47:19,634 INFO L241 Difference]: Finished difference. Result has 437 places, 554 transitions, 11450 flow [2021-03-26 17:47:19,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=11056, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11450, PETRI_PLACES=437, PETRI_TRANSITIONS=554} [2021-03-26 17:47:19,634 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 398 predicate places. [2021-03-26 17:47:19,634 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:19,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 554 transitions, 11450 flow [2021-03-26 17:47:19,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 554 transitions, 11450 flow [2021-03-26 17:47:19,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 554 transitions, 11450 flow [2021-03-26 17:47:19,798 INFO L129 PetriNetUnfolder]: 487/1087 cut-off events. [2021-03-26 17:47:19,799 INFO L130 PetriNetUnfolder]: For 46016/46173 co-relation queries the response was YES. [2021-03-26 17:47:19,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13346 conditions, 1087 events. 487/1087 cut-off events. For 46016/46173 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 7480 event pairs, 33 based on Foata normal form. 30/1095 useless extension candidates. Maximal degree in co-relation 13170. Up to 446 conditions per place. [2021-03-26 17:47:19,816 INFO L142 LiptonReduction]: Number of co-enabled transitions 548 [2021-03-26 17:47:19,899 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:19,899 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:47:19,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 265 [2021-03-26 17:47:19,899 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 553 transitions, 11442 flow [2021-03-26 17:47:19,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:19,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:19,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:19,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 17:47:19,900 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:19,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:19,900 INFO L82 PathProgramCache]: Analyzing trace with hash -985903137, now seen corresponding path program 1 times [2021-03-26 17:47:19,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:19,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871505808] [2021-03-26 17:47:19,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:19,927 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:19,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:19,932 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:19,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:19,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:19,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:19,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:19,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:19,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:19,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:19,977 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:20,004 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:20,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:20,031 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:20,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:20,055 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:20,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:20,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:20,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:20,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871505808] [2021-03-26 17:47:20,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:20,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:20,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845166432] [2021-03-26 17:47:20,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:20,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:20,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:20,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:20,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-26 17:47:20,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 553 transitions, 11442 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:20,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:20,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-26 17:47:20,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:20,766 INFO L129 PetriNetUnfolder]: 727/1445 cut-off events. [2021-03-26 17:47:20,766 INFO L130 PetriNetUnfolder]: For 62191/62217 co-relation queries the response was YES. [2021-03-26 17:47:20,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18408 conditions, 1445 events. 727/1445 cut-off events. For 62191/62217 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 9196 event pairs, 135 based on Foata normal form. 18/1462 useless extension candidates. Maximal degree in co-relation 18229. Up to 1245 conditions per place. [2021-03-26 17:47:20,789 INFO L132 encePairwiseOnDemand]: 100/119 looper letters, 501 selfloop transitions, 73 changer transitions 2/584 dead transitions. [2021-03-26 17:47:20,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 584 transitions, 13345 flow [2021-03-26 17:47:20,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 480 transitions. [2021-03-26 17:47:20,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2689075630252101 [2021-03-26 17:47:20,790 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 480 transitions. [2021-03-26 17:47:20,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 480 transitions. [2021-03-26 17:47:20,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:20,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 480 transitions. [2021-03-26 17:47:20,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:20,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:20,791 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:20,791 INFO L185 Difference]: Start difference. First operand has 435 places, 553 transitions, 11442 flow. Second operand 15 states and 480 transitions. [2021-03-26 17:47:20,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 584 transitions, 13345 flow [2021-03-26 17:47:21,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 584 transitions, 13074 flow, removed 114 selfloop flow, removed 8 redundant places. [2021-03-26 17:47:21,116 INFO L241 Difference]: Finished difference. Result has 448 places, 568 transitions, 11770 flow [2021-03-26 17:47:21,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=11183, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11770, PETRI_PLACES=448, PETRI_TRANSITIONS=568} [2021-03-26 17:47:21,116 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 409 predicate places. [2021-03-26 17:47:21,116 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:21,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 568 transitions, 11770 flow [2021-03-26 17:47:21,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 568 transitions, 11770 flow [2021-03-26 17:47:21,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 568 transitions, 11770 flow [2021-03-26 17:47:21,279 INFO L129 PetriNetUnfolder]: 496/1110 cut-off events. [2021-03-26 17:47:21,279 INFO L130 PetriNetUnfolder]: For 53232/53464 co-relation queries the response was YES. [2021-03-26 17:47:21,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13842 conditions, 1110 events. 496/1110 cut-off events. For 53232/53464 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7679 event pairs, 49 based on Foata normal form. 35/1116 useless extension candidates. Maximal degree in co-relation 13649. Up to 457 conditions per place. [2021-03-26 17:47:21,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 558 [2021-03-26 17:47:21,351 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:21,351 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:21,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 235 [2021-03-26 17:47:21,351 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 568 transitions, 11770 flow [2021-03-26 17:47:21,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:21,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:21,352 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:21,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 17:47:21,352 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:21,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:21,352 INFO L82 PathProgramCache]: Analyzing trace with hash -496236483, now seen corresponding path program 1 times [2021-03-26 17:47:21,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:21,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323234945] [2021-03-26 17:47:21,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:21,365 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:21,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:21,370 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:21,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:21,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:21,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:21,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:21,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:21,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:21,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:21,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:21,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:21,421 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-26 17:47:21,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:47:21,443 INFO L142 QuantifierPusher]: treesize reduction 27, result has 44.9 percent of original size [2021-03-26 17:47:21,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:21,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:21,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:21,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:21,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323234945] [2021-03-26 17:47:21,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:21,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:21,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983157613] [2021-03-26 17:47:21,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:21,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:21,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:21,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:21,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-26 17:47:21,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 568 transitions, 11770 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:21,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:21,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-26 17:47:21,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:22,293 INFO L129 PetriNetUnfolder]: 741/1470 cut-off events. [2021-03-26 17:47:22,293 INFO L130 PetriNetUnfolder]: For 68147/68173 co-relation queries the response was YES. [2021-03-26 17:47:22,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19089 conditions, 1470 events. 741/1470 cut-off events. For 68147/68173 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 9389 event pairs, 136 based on Foata normal form. 18/1487 useless extension candidates. Maximal degree in co-relation 18878. Up to 1132 conditions per place. [2021-03-26 17:47:22,311 INFO L132 encePairwiseOnDemand]: 91/119 looper letters, 395 selfloop transitions, 194 changer transitions 3/600 dead transitions. [2021-03-26 17:47:22,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 600 transitions, 13866 flow [2021-03-26 17:47:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:47:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:47:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 475 transitions. [2021-03-26 17:47:22,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2851140456182473 [2021-03-26 17:47:22,315 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 475 transitions. [2021-03-26 17:47:22,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 475 transitions. [2021-03-26 17:47:22,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:22,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 475 transitions. [2021-03-26 17:47:22,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.92857142857143) internal successors, (475), 14 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:22,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:22,317 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:22,317 INFO L185 Difference]: Start difference. First operand has 447 places, 568 transitions, 11770 flow. Second operand 14 states and 475 transitions. [2021-03-26 17:47:22,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 600 transitions, 13866 flow [2021-03-26 17:47:22,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 600 transitions, 13590 flow, removed 98 selfloop flow, removed 6 redundant places. [2021-03-26 17:47:22,649 INFO L241 Difference]: Finished difference. Result has 460 places, 580 transitions, 12555 flow [2021-03-26 17:47:22,649 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=11500, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=12555, PETRI_PLACES=460, PETRI_TRANSITIONS=580} [2021-03-26 17:47:22,649 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 421 predicate places. [2021-03-26 17:47:22,649 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:22,649 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 580 transitions, 12555 flow [2021-03-26 17:47:22,649 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 580 transitions, 12555 flow [2021-03-26 17:47:22,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 580 transitions, 12555 flow [2021-03-26 17:47:22,812 INFO L129 PetriNetUnfolder]: 500/1119 cut-off events. [2021-03-26 17:47:22,812 INFO L130 PetriNetUnfolder]: For 55464/55682 co-relation queries the response was YES. [2021-03-26 17:47:22,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14451 conditions, 1119 events. 500/1119 cut-off events. For 55464/55682 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 7763 event pairs, 51 based on Foata normal form. 29/1127 useless extension candidates. Maximal degree in co-relation 14264. Up to 463 conditions per place. [2021-03-26 17:47:22,833 INFO L142 LiptonReduction]: Number of co-enabled transitions 566 [2021-03-26 17:47:22,869 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:22,869 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:22,869 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-03-26 17:47:22,869 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 580 transitions, 12555 flow [2021-03-26 17:47:22,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:22,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:22,869 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:22,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 17:47:22,869 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:22,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:22,870 INFO L82 PathProgramCache]: Analyzing trace with hash -293126775, now seen corresponding path program 2 times [2021-03-26 17:47:22,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:22,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260227135] [2021-03-26 17:47:22,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:22,877 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:22,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:22,882 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:22,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:22,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:22,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:22,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:22,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:22,909 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:22,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:22,928 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:22,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:22,950 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:22,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:22,971 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:22,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:22,990 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:22,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:22,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:22,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:22,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260227135] [2021-03-26 17:47:22,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:22,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:22,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139022296] [2021-03-26 17:47:22,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:22,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:22,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:22,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:22,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 119 [2021-03-26 17:47:22,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 580 transitions, 12555 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:22,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:22,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 119 [2021-03-26 17:47:22,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:23,788 INFO L129 PetriNetUnfolder]: 766/1506 cut-off events. [2021-03-26 17:47:23,788 INFO L130 PetriNetUnfolder]: For 70044/70065 co-relation queries the response was YES. [2021-03-26 17:47:23,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20020 conditions, 1506 events. 766/1506 cut-off events. For 70044/70065 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 9587 event pairs, 146 based on Foata normal form. 18/1523 useless extension candidates. Maximal degree in co-relation 19830. Up to 1171 conditions per place. [2021-03-26 17:47:23,823 INFO L132 encePairwiseOnDemand]: 92/119 looper letters, 466 selfloop transitions, 156 changer transitions 4/634 dead transitions. [2021-03-26 17:47:23,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 634 transitions, 15053 flow [2021-03-26 17:47:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:47:23,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:47:23,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 565 transitions. [2021-03-26 17:47:23,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2792881858625803 [2021-03-26 17:47:23,824 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 565 transitions. [2021-03-26 17:47:23,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 565 transitions. [2021-03-26 17:47:23,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:23,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 565 transitions. [2021-03-26 17:47:23,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.23529411764706) internal successors, (565), 17 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:23,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:23,826 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:23,826 INFO L185 Difference]: Start difference. First operand has 459 places, 580 transitions, 12555 flow. Second operand 17 states and 565 transitions. [2021-03-26 17:47:23,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 634 transitions, 15053 flow [2021-03-26 17:47:24,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 634 transitions, 14708 flow, removed 110 selfloop flow, removed 7 redundant places. [2021-03-26 17:47:24,317 INFO L241 Difference]: Finished difference. Result has 473 places, 607 transitions, 13241 flow [2021-03-26 17:47:24,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=12218, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13241, PETRI_PLACES=473, PETRI_TRANSITIONS=607} [2021-03-26 17:47:24,317 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 434 predicate places. [2021-03-26 17:47:24,317 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:24,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 607 transitions, 13241 flow [2021-03-26 17:47:24,318 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 607 transitions, 13241 flow [2021-03-26 17:47:24,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 472 places, 607 transitions, 13241 flow [2021-03-26 17:47:24,490 INFO L129 PetriNetUnfolder]: 517/1153 cut-off events. [2021-03-26 17:47:24,491 INFO L130 PetriNetUnfolder]: For 58728/58981 co-relation queries the response was YES. [2021-03-26 17:47:24,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15143 conditions, 1153 events. 517/1153 cut-off events. For 58728/58981 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8071 event pairs, 30 based on Foata normal form. 30/1161 useless extension candidates. Maximal degree in co-relation 14937. Up to 468 conditions per place. [2021-03-26 17:47:24,512 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 17:47:24,678 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 17:47:24,678 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 17:47:24,678 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-03-26 17:47:24,678 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 607 transitions, 13339 flow [2021-03-26 17:47:24,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:24,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:24,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:24,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 17:47:24,679 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:24,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:24,679 INFO L82 PathProgramCache]: Analyzing trace with hash -125077017, now seen corresponding path program 3 times [2021-03-26 17:47:24,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:24,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996690031] [2021-03-26 17:47:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:24,691 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:24,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:24,695 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:24,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:24,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:24,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:24,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:24,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:24,718 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:24,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:24,737 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:24,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:24,757 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:47:24,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:24,784 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:24,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:24,803 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:24,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:24,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:24,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:24,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:24,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996690031] [2021-03-26 17:47:24,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:24,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:24,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144707230] [2021-03-26 17:47:24,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:24,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:24,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:24,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:24,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 123 [2021-03-26 17:47:24,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 607 transitions, 13339 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:24,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:24,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 123 [2021-03-26 17:47:24,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:25,620 INFO L129 PetriNetUnfolder]: 772/1532 cut-off events. [2021-03-26 17:47:25,620 INFO L130 PetriNetUnfolder]: For 74491/74512 co-relation queries the response was YES. [2021-03-26 17:47:25,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20791 conditions, 1532 events. 772/1532 cut-off events. For 74491/74512 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 9916 event pairs, 128 based on Foata normal form. 18/1549 useless extension candidates. Maximal degree in co-relation 20569. Up to 1190 conditions per place. [2021-03-26 17:47:25,643 INFO L132 encePairwiseOnDemand]: 93/123 looper letters, 470 selfloop transitions, 161 changer transitions 4/643 dead transitions. [2021-03-26 17:47:25,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 643 transitions, 15510 flow [2021-03-26 17:47:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:47:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:47:25,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 561 transitions. [2021-03-26 17:47:25,644 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2682926829268293 [2021-03-26 17:47:25,644 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 561 transitions. [2021-03-26 17:47:25,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 561 transitions. [2021-03-26 17:47:25,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:25,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 561 transitions. [2021-03-26 17:47:25,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.0) internal successors, (561), 17 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:25,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 123.0) internal successors, (2214), 18 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:25,646 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 123.0) internal successors, (2214), 18 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:25,646 INFO L185 Difference]: Start difference. First operand has 472 places, 607 transitions, 13339 flow. Second operand 17 states and 561 transitions. [2021-03-26 17:47:25,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 643 transitions, 15510 flow [2021-03-26 17:47:26,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 643 transitions, 14837 flow, removed 227 selfloop flow, removed 9 redundant places. [2021-03-26 17:47:26,047 INFO L241 Difference]: Finished difference. Result has 483 places, 618 transitions, 13370 flow [2021-03-26 17:47:26,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=12674, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13370, PETRI_PLACES=483, PETRI_TRANSITIONS=618} [2021-03-26 17:47:26,047 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 444 predicate places. [2021-03-26 17:47:26,047 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:26,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 618 transitions, 13370 flow [2021-03-26 17:47:26,048 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 618 transitions, 13370 flow [2021-03-26 17:47:26,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 618 transitions, 13370 flow [2021-03-26 17:47:26,233 INFO L129 PetriNetUnfolder]: 528/1170 cut-off events. [2021-03-26 17:47:26,233 INFO L130 PetriNetUnfolder]: For 61497/61769 co-relation queries the response was YES. [2021-03-26 17:47:26,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15476 conditions, 1170 events. 528/1170 cut-off events. For 61497/61769 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8120 event pairs, 35 based on Foata normal form. 22/1170 useless extension candidates. Maximal degree in co-relation 15269. Up to 473 conditions per place. [2021-03-26 17:47:26,258 INFO L142 LiptonReduction]: Number of co-enabled transitions 594 [2021-03-26 17:47:26,388 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:47:26,388 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:47:26,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 341 [2021-03-26 17:47:26,388 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 618 transitions, 13372 flow [2021-03-26 17:47:26,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:26,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:26,389 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:26,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 17:47:26,389 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:26,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:26,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1412643637, now seen corresponding path program 4 times [2021-03-26 17:47:26,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:26,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333598637] [2021-03-26 17:47:26,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:26,412 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:26,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:26,417 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:26,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:26,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:26,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:26,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:26,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:26,444 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:26,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:26,466 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:26,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:26,492 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:47:26,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:47:26,520 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:26,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:26,545 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:47:26,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:47:26,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:26,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:26,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333598637] [2021-03-26 17:47:26,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:26,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:26,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418980531] [2021-03-26 17:47:26,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:26,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:26,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:26,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:26,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 125 [2021-03-26 17:47:26,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 618 transitions, 13372 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:26,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:26,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 125 [2021-03-26 17:47:26,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:27,642 INFO L129 PetriNetUnfolder]: 796/1577 cut-off events. [2021-03-26 17:47:27,642 INFO L130 PetriNetUnfolder]: For 78126/78153 co-relation queries the response was YES. [2021-03-26 17:47:27,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21442 conditions, 1577 events. 796/1577 cut-off events. For 78126/78153 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 10319 event pairs, 111 based on Foata normal form. 23/1599 useless extension candidates. Maximal degree in co-relation 21219. Up to 1193 conditions per place. [2021-03-26 17:47:27,664 INFO L132 encePairwiseOnDemand]: 92/125 looper letters, 463 selfloop transitions, 200 changer transitions 3/674 dead transitions. [2021-03-26 17:47:27,664 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 674 transitions, 16170 flow [2021-03-26 17:47:27,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 17:47:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 17:47:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 664 transitions. [2021-03-26 17:47:27,666 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2656 [2021-03-26 17:47:27,666 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 664 transitions. [2021-03-26 17:47:27,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 664 transitions. [2021-03-26 17:47:27,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:27,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 664 transitions. [2021-03-26 17:47:27,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 33.2) internal successors, (664), 20 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:27,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 125.0) internal successors, (2625), 21 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:27,668 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 125.0) internal successors, (2625), 21 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:27,668 INFO L185 Difference]: Start difference. First operand has 482 places, 618 transitions, 13372 flow. Second operand 20 states and 664 transitions. [2021-03-26 17:47:27,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 674 transitions, 16170 flow [2021-03-26 17:47:28,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 674 transitions, 15696 flow, removed 120 selfloop flow, removed 10 redundant places. [2021-03-26 17:47:28,136 INFO L241 Difference]: Finished difference. Result has 495 places, 645 transitions, 14096 flow [2021-03-26 17:47:28,136 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=12932, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=14096, PETRI_PLACES=495, PETRI_TRANSITIONS=645} [2021-03-26 17:47:28,136 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 456 predicate places. [2021-03-26 17:47:28,136 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:28,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 645 transitions, 14096 flow [2021-03-26 17:47:28,136 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 645 transitions, 14096 flow [2021-03-26 17:47:28,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 645 transitions, 14096 flow [2021-03-26 17:47:28,327 INFO L129 PetriNetUnfolder]: 548/1216 cut-off events. [2021-03-26 17:47:28,327 INFO L130 PetriNetUnfolder]: For 65943/66248 co-relation queries the response was YES. [2021-03-26 17:47:28,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16280 conditions, 1216 events. 548/1216 cut-off events. For 65943/66248 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 8522 event pairs, 33 based on Foata normal form. 25/1214 useless extension candidates. Maximal degree in co-relation 16069. Up to 485 conditions per place. [2021-03-26 17:47:28,351 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-26 17:47:28,393 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:28,393 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:28,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-03-26 17:47:28,394 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 645 transitions, 14096 flow [2021-03-26 17:47:28,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:28,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:28,394 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:28,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 17:47:28,394 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:28,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:28,394 INFO L82 PathProgramCache]: Analyzing trace with hash -10790608, now seen corresponding path program 1 times [2021-03-26 17:47:28,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:28,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687195233] [2021-03-26 17:47:28,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:28,403 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:28,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:28,407 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:28,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:28,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:28,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:28,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:28,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:28,434 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:28,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:28,459 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:28,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:28,485 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:28,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:28,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:28,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:28,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:28,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:28,545 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:28,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687195233] [2021-03-26 17:47:28,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:28,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:28,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815719891] [2021-03-26 17:47:28,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:28,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:28,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:28,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:28,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 125 [2021-03-26 17:47:28,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 645 transitions, 14096 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:28,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:28,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 125 [2021-03-26 17:47:28,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:29,506 INFO L129 PetriNetUnfolder]: 800/1598 cut-off events. [2021-03-26 17:47:29,506 INFO L130 PetriNetUnfolder]: For 86105/86126 co-relation queries the response was YES. [2021-03-26 17:47:29,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22178 conditions, 1598 events. 800/1598 cut-off events. For 86105/86126 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10561 event pairs, 127 based on Foata normal form. 19/1616 useless extension candidates. Maximal degree in co-relation 21951. Up to 1088 conditions per place. [2021-03-26 17:47:29,532 INFO L132 encePairwiseOnDemand]: 88/125 looper letters, 378 selfloop transitions, 289 changer transitions 2/677 dead transitions. [2021-03-26 17:47:29,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 677 transitions, 16662 flow [2021-03-26 17:47:29,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:47:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:47:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 543 transitions. [2021-03-26 17:47:29,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2715 [2021-03-26 17:47:29,533 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 543 transitions. [2021-03-26 17:47:29,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 543 transitions. [2021-03-26 17:47:29,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:29,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 543 transitions. [2021-03-26 17:47:29,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.9375) internal successors, (543), 16 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:29,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 125.0) internal successors, (2125), 17 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:29,535 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 125.0) internal successors, (2125), 17 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:29,535 INFO L185 Difference]: Start difference. First operand has 494 places, 645 transitions, 14096 flow. Second operand 16 states and 543 transitions. [2021-03-26 17:47:29,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 677 transitions, 16662 flow [2021-03-26 17:47:29,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 677 transitions, 16227 flow, removed 125 selfloop flow, removed 10 redundant places. [2021-03-26 17:47:29,984 INFO L241 Difference]: Finished difference. Result has 504 places, 655 transitions, 14993 flow [2021-03-26 17:47:29,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=13661, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=14993, PETRI_PLACES=504, PETRI_TRANSITIONS=655} [2021-03-26 17:47:29,984 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 465 predicate places. [2021-03-26 17:47:29,984 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:29,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 655 transitions, 14993 flow [2021-03-26 17:47:29,985 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 655 transitions, 14993 flow [2021-03-26 17:47:29,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 655 transitions, 14993 flow [2021-03-26 17:47:30,202 INFO L129 PetriNetUnfolder]: 552/1233 cut-off events. [2021-03-26 17:47:30,202 INFO L130 PetriNetUnfolder]: For 75596/75948 co-relation queries the response was YES. [2021-03-26 17:47:30,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17016 conditions, 1233 events. 552/1233 cut-off events. For 75596/75948 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 8733 event pairs, 36 based on Foata normal form. 20/1225 useless extension candidates. Maximal degree in co-relation 16798. Up to 490 conditions per place. [2021-03-26 17:47:30,226 INFO L142 LiptonReduction]: Number of co-enabled transitions 624 [2021-03-26 17:47:30,342 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:30,342 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:47:30,342 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 358 [2021-03-26 17:47:30,343 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 655 transitions, 15013 flow [2021-03-26 17:47:30,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:30,343 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:30,343 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:30,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 17:47:30,343 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:30,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:30,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1890126403, now seen corresponding path program 1 times [2021-03-26 17:47:30,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:30,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304073378] [2021-03-26 17:47:30,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:30,361 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:30,367 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:30,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:30,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:30,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:30,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:30,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:30,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:30,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:30,416 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:30,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:30,441 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:30,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:30,467 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 17:47:30,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:47:30,494 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:30,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:30,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304073378] [2021-03-26 17:47:30,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:30,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:30,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565196767] [2021-03-26 17:47:30,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:30,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:30,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:30,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:30,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:30,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 655 transitions, 15013 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:30,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:30,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:30,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:31,413 INFO L129 PetriNetUnfolder]: 799/1596 cut-off events. [2021-03-26 17:47:31,413 INFO L130 PetriNetUnfolder]: For 89782/89803 co-relation queries the response was YES. [2021-03-26 17:47:31,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22746 conditions, 1596 events. 799/1596 cut-off events. For 89782/89803 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10510 event pairs, 152 based on Foata normal form. 18/1613 useless extension candidates. Maximal degree in co-relation 22514. Up to 1348 conditions per place. [2021-03-26 17:47:31,441 INFO L132 encePairwiseOnDemand]: 102/126 looper letters, 495 selfloop transitions, 164 changer transitions 2/669 dead transitions. [2021-03-26 17:47:31,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 669 transitions, 16678 flow [2021-03-26 17:47:31,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:47:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:47:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 526 transitions. [2021-03-26 17:47:31,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26091269841269843 [2021-03-26 17:47:31,442 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 526 transitions. [2021-03-26 17:47:31,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 526 transitions. [2021-03-26 17:47:31,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:31,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 526 transitions. [2021-03-26 17:47:31,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.875) internal successors, (526), 16 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:31,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 126.0) internal successors, (2142), 17 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:31,444 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 126.0) internal successors, (2142), 17 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:31,444 INFO L185 Difference]: Start difference. First operand has 504 places, 655 transitions, 15013 flow. Second operand 16 states and 526 transitions. [2021-03-26 17:47:31,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 669 transitions, 16678 flow [2021-03-26 17:47:31,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 669 transitions, 15796 flow, removed 222 selfloop flow, removed 11 redundant places. [2021-03-26 17:47:31,917 INFO L241 Difference]: Finished difference. Result has 511 places, 657 transitions, 14602 flow [2021-03-26 17:47:31,917 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14131, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=14602, PETRI_PLACES=511, PETRI_TRANSITIONS=657} [2021-03-26 17:47:31,917 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 472 predicate places. [2021-03-26 17:47:31,917 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:31,918 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 511 places, 657 transitions, 14602 flow [2021-03-26 17:47:31,918 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 511 places, 657 transitions, 14602 flow [2021-03-26 17:47:31,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 657 transitions, 14602 flow [2021-03-26 17:47:32,125 INFO L129 PetriNetUnfolder]: 547/1228 cut-off events. [2021-03-26 17:47:32,125 INFO L130 PetriNetUnfolder]: For 70157/70481 co-relation queries the response was YES. [2021-03-26 17:47:32,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16887 conditions, 1228 events. 547/1228 cut-off events. For 70157/70481 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 8752 event pairs, 30 based on Foata normal form. 35/1239 useless extension candidates. Maximal degree in co-relation 16667. Up to 480 conditions per place. [2021-03-26 17:47:32,150 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-26 17:47:32,194 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:32,194 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:32,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 277 [2021-03-26 17:47:32,194 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 657 transitions, 14602 flow [2021-03-26 17:47:32,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:32,194 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:32,194 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:32,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 17:47:32,194 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:32,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:32,194 INFO L82 PathProgramCache]: Analyzing trace with hash -703147275, now seen corresponding path program 2 times [2021-03-26 17:47:32,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:32,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728224721] [2021-03-26 17:47:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:32,203 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:32,207 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:32,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:32,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:32,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:32,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:32,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:32,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:32,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:32,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:32,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:32,253 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:32,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:32,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:32,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:32,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:32,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:32,302 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:32,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:32,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728224721] [2021-03-26 17:47:32,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:32,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:32,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237611957] [2021-03-26 17:47:32,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:32,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:32,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:32,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:32,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:32,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 657 transitions, 14602 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:32,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:32,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:32,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:33,048 INFO L129 PetriNetUnfolder]: 798/1598 cut-off events. [2021-03-26 17:47:33,048 INFO L130 PetriNetUnfolder]: For 88791/88812 co-relation queries the response was YES. [2021-03-26 17:47:33,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22764 conditions, 1598 events. 798/1598 cut-off events. For 88791/88812 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10569 event pairs, 162 based on Foata normal form. 14/1611 useless extension candidates. Maximal degree in co-relation 22529. Up to 1445 conditions per place. [2021-03-26 17:47:33,074 INFO L132 encePairwiseOnDemand]: 111/126 looper letters, 621 selfloop transitions, 37 changer transitions 3/669 dead transitions. [2021-03-26 17:47:33,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 669 transitions, 16266 flow [2021-03-26 17:47:33,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:47:33,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:47:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 419 transitions. [2021-03-26 17:47:33,075 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2557997557997558 [2021-03-26 17:47:33,075 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 419 transitions. [2021-03-26 17:47:33,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 419 transitions. [2021-03-26 17:47:33,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:33,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 419 transitions. [2021-03-26 17:47:33,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.23076923076923) internal successors, (419), 13 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:33,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 126.0) internal successors, (1764), 14 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:33,076 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 126.0) internal successors, (1764), 14 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:33,076 INFO L185 Difference]: Start difference. First operand has 510 places, 657 transitions, 14602 flow. Second operand 13 states and 419 transitions. [2021-03-26 17:47:33,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 669 transitions, 16266 flow [2021-03-26 17:47:33,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 669 transitions, 15976 flow, removed 18 selfloop flow, removed 12 redundant places. [2021-03-26 17:47:33,557 INFO L241 Difference]: Finished difference. Result has 513 places, 657 transitions, 14469 flow [2021-03-26 17:47:33,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14314, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14469, PETRI_PLACES=513, PETRI_TRANSITIONS=657} [2021-03-26 17:47:33,557 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 474 predicate places. [2021-03-26 17:47:33,557 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:33,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 657 transitions, 14469 flow [2021-03-26 17:47:33,557 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 657 transitions, 14469 flow [2021-03-26 17:47:33,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 657 transitions, 14469 flow [2021-03-26 17:47:33,756 INFO L129 PetriNetUnfolder]: 552/1229 cut-off events. [2021-03-26 17:47:33,757 INFO L130 PetriNetUnfolder]: For 75412/75772 co-relation queries the response was YES. [2021-03-26 17:47:33,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16990 conditions, 1229 events. 552/1229 cut-off events. For 75412/75772 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 8688 event pairs, 47 based on Foata normal form. 21/1218 useless extension candidates. Maximal degree in co-relation 16784. Up to 481 conditions per place. [2021-03-26 17:47:33,781 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-26 17:47:33,824 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:33,824 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:33,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 267 [2021-03-26 17:47:33,824 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 657 transitions, 14469 flow [2021-03-26 17:47:33,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:33,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:33,825 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:33,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 17:47:33,825 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:33,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:33,825 INFO L82 PathProgramCache]: Analyzing trace with hash -204335715, now seen corresponding path program 3 times [2021-03-26 17:47:33,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:33,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655162291] [2021-03-26 17:47:33,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:33,837 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:33,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:33,841 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:33,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:33,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:33,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:33,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:33,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:33,881 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:33,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:33,905 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:33,929 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:33,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:33,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:33,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:33,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:33,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:33,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655162291] [2021-03-26 17:47:33,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:33,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:33,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031434631] [2021-03-26 17:47:33,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:33,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:33,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:33,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:33,970 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:33,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 657 transitions, 14469 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:33,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:33,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:33,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:34,719 INFO L129 PetriNetUnfolder]: 797/1595 cut-off events. [2021-03-26 17:47:34,720 INFO L130 PetriNetUnfolder]: For 90071/90092 co-relation queries the response was YES. [2021-03-26 17:47:34,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22761 conditions, 1595 events. 797/1595 cut-off events. For 90071/90092 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 10560 event pairs, 128 based on Foata normal form. 14/1608 useless extension candidates. Maximal degree in co-relation 22552. Up to 1441 conditions per place. [2021-03-26 17:47:34,749 INFO L132 encePairwiseOnDemand]: 111/126 looper letters, 620 selfloop transitions, 34 changer transitions 6/668 dead transitions. [2021-03-26 17:47:34,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 668 transitions, 15979 flow [2021-03-26 17:47:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:47:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:47:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 420 transitions. [2021-03-26 17:47:34,750 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2564102564102564 [2021-03-26 17:47:34,750 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 420 transitions. [2021-03-26 17:47:34,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 420 transitions. [2021-03-26 17:47:34,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:34,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 420 transitions. [2021-03-26 17:47:34,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.30769230769231) internal successors, (420), 13 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:34,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 126.0) internal successors, (1764), 14 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:34,751 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 126.0) internal successors, (1764), 14 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:34,751 INFO L185 Difference]: Start difference. First operand has 511 places, 657 transitions, 14469 flow. Second operand 13 states and 420 transitions. [2021-03-26 17:47:34,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 668 transitions, 15979 flow [2021-03-26 17:47:35,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 668 transitions, 15817 flow, removed 45 selfloop flow, removed 11 redundant places. [2021-03-26 17:47:35,278 INFO L241 Difference]: Finished difference. Result has 514 places, 653 transitions, 14339 flow [2021-03-26 17:47:35,278 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14311, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14339, PETRI_PLACES=514, PETRI_TRANSITIONS=653} [2021-03-26 17:47:35,278 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 475 predicate places. [2021-03-26 17:47:35,278 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:35,278 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 514 places, 653 transitions, 14339 flow [2021-03-26 17:47:35,278 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 514 places, 653 transitions, 14339 flow [2021-03-26 17:47:35,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 508 places, 653 transitions, 14339 flow [2021-03-26 17:47:35,475 INFO L129 PetriNetUnfolder]: 548/1222 cut-off events. [2021-03-26 17:47:35,475 INFO L130 PetriNetUnfolder]: For 74978/75340 co-relation queries the response was YES. [2021-03-26 17:47:35,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16869 conditions, 1222 events. 548/1222 cut-off events. For 74978/75340 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 8678 event pairs, 34 based on Foata normal form. 48/1243 useless extension candidates. Maximal degree in co-relation 16663. Up to 477 conditions per place. [2021-03-26 17:47:35,501 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-26 17:47:35,544 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:35,544 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:35,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-03-26 17:47:35,544 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 653 transitions, 14339 flow [2021-03-26 17:47:35,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:35,544 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:35,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:35,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-26 17:47:35,545 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:35,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2062769348, now seen corresponding path program 2 times [2021-03-26 17:47:35,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:35,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376778758] [2021-03-26 17:47:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:35,553 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:35,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:35,558 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:35,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:35,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:35,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:35,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:35,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:35,581 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:35,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:35,603 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:35,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:35,626 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:35,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:35,651 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:35,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:35,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:35,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:35,689 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:35,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:35,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376778758] [2021-03-26 17:47:35,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:35,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:35,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909696157] [2021-03-26 17:47:35,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:35,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:35,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:35,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:35,692 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:35,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 653 transitions, 14339 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:35,692 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:35,692 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:35,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:36,628 INFO L129 PetriNetUnfolder]: 804/1610 cut-off events. [2021-03-26 17:47:36,628 INFO L130 PetriNetUnfolder]: For 88096/88123 co-relation queries the response was YES. [2021-03-26 17:47:36,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22869 conditions, 1610 events. 804/1610 cut-off events. For 88096/88123 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10680 event pairs, 138 based on Foata normal form. 23/1632 useless extension candidates. Maximal degree in co-relation 22662. Up to 1230 conditions per place. [2021-03-26 17:47:36,655 INFO L132 encePairwiseOnDemand]: 93/126 looper letters, 487 selfloop transitions, 194 changer transitions 11/700 dead transitions. [2021-03-26 17:47:36,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 700 transitions, 16746 flow [2021-03-26 17:47:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:47:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:47:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 622 transitions. [2021-03-26 17:47:36,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2598162071846282 [2021-03-26 17:47:36,656 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 622 transitions. [2021-03-26 17:47:36,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 622 transitions. [2021-03-26 17:47:36,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:36,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 622 transitions. [2021-03-26 17:47:36,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.73684210526316) internal successors, (622), 19 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) [2021-03-26 17:47:36,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 126.0) internal successors, (2520), 20 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:36,658 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 126.0) internal successors, (2520), 20 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:36,658 INFO L185 Difference]: Start difference. First operand has 508 places, 653 transitions, 14339 flow. Second operand 19 states and 622 transitions. [2021-03-26 17:47:36,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 700 transitions, 16746 flow [2021-03-26 17:47:37,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 700 transitions, 16480 flow, removed 100 selfloop flow, removed 13 redundant places. [2021-03-26 17:47:37,180 INFO L241 Difference]: Finished difference. Result has 519 places, 672 transitions, 14899 flow [2021-03-26 17:47:37,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14105, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=14899, PETRI_PLACES=519, PETRI_TRANSITIONS=672} [2021-03-26 17:47:37,180 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 480 predicate places. [2021-03-26 17:47:37,180 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:37,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 519 places, 672 transitions, 14899 flow [2021-03-26 17:47:37,180 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 519 places, 672 transitions, 14899 flow [2021-03-26 17:47:37,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 515 places, 672 transitions, 14899 flow [2021-03-26 17:47:37,421 INFO L129 PetriNetUnfolder]: 585/1281 cut-off events. [2021-03-26 17:47:37,421 INFO L130 PetriNetUnfolder]: For 71873/72041 co-relation queries the response was YES. [2021-03-26 17:47:37,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17665 conditions, 1281 events. 585/1281 cut-off events. For 71873/72041 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 9026 event pairs, 44 based on Foata normal form. 39/1302 useless extension candidates. Maximal degree in co-relation 17458. Up to 491 conditions per place. [2021-03-26 17:47:37,446 INFO L142 LiptonReduction]: Number of co-enabled transitions 574 [2021-03-26 17:47:37,488 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:37,488 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:37,488 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-26 17:47:37,489 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 672 transitions, 14899 flow [2021-03-26 17:47:37,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:37,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:37,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:37,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 17:47:37,489 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:37,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:37,489 INFO L82 PathProgramCache]: Analyzing trace with hash 862950072, now seen corresponding path program 3 times [2021-03-26 17:47:37,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:37,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075833686] [2021-03-26 17:47:37,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:37,497 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:37,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:37,501 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:37,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:37,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:37,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:37,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:37,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:37,525 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:37,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:37,547 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:37,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:37,572 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:37,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:37,596 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:37,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:37,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:37,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:37,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:37,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:37,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075833686] [2021-03-26 17:47:37,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:37,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:37,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034389795] [2021-03-26 17:47:37,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:37,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:37,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:37,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:37,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:37,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 672 transitions, 14899 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:37,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:37,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:37,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:38,552 INFO L129 PetriNetUnfolder]: 799/1600 cut-off events. [2021-03-26 17:47:38,552 INFO L130 PetriNetUnfolder]: For 91596/91624 co-relation queries the response was YES. [2021-03-26 17:47:38,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23035 conditions, 1600 events. 799/1600 cut-off events. For 91596/91624 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 10608 event pairs, 125 based on Foata normal form. 25/1624 useless extension candidates. Maximal degree in co-relation 22825. Up to 1134 conditions per place. [2021-03-26 17:47:38,579 INFO L132 encePairwiseOnDemand]: 90/126 looper letters, 415 selfloop transitions, 263 changer transitions 11/697 dead transitions. [2021-03-26 17:47:38,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 697 transitions, 17020 flow [2021-03-26 17:47:38,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:47:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:47:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 558 transitions. [2021-03-26 17:47:38,580 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2605042016806723 [2021-03-26 17:47:38,580 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 558 transitions. [2021-03-26 17:47:38,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 558 transitions. [2021-03-26 17:47:38,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:38,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 558 transitions. [2021-03-26 17:47:38,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.8235294117647) internal successors, (558), 17 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:38,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 126.0) internal successors, (2268), 18 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:38,582 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 126.0) internal successors, (2268), 18 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:38,582 INFO L185 Difference]: Start difference. First operand has 515 places, 672 transitions, 14899 flow. Second operand 17 states and 558 transitions. [2021-03-26 17:47:38,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 697 transitions, 17020 flow [2021-03-26 17:47:39,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 697 transitions, 16583 flow, removed 70 selfloop flow, removed 14 redundant places. [2021-03-26 17:47:39,085 INFO L241 Difference]: Finished difference. Result has 521 places, 668 transitions, 14955 flow [2021-03-26 17:47:39,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14474, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14955, PETRI_PLACES=521, PETRI_TRANSITIONS=668} [2021-03-26 17:47:39,085 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 482 predicate places. [2021-03-26 17:47:39,085 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:39,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 668 transitions, 14955 flow [2021-03-26 17:47:39,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 668 transitions, 14955 flow [2021-03-26 17:47:39,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 668 transitions, 14955 flow [2021-03-26 17:47:39,293 INFO L129 PetriNetUnfolder]: 584/1277 cut-off events. [2021-03-26 17:47:39,293 INFO L130 PetriNetUnfolder]: For 77346/77495 co-relation queries the response was YES. [2021-03-26 17:47:39,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17685 conditions, 1277 events. 584/1277 cut-off events. For 77346/77495 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 9072 event pairs, 43 based on Foata normal form. 21/1272 useless extension candidates. Maximal degree in co-relation 17478. Up to 491 conditions per place. [2021-03-26 17:47:39,319 INFO L142 LiptonReduction]: Number of co-enabled transitions 574 [2021-03-26 17:47:39,364 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:39,365 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:39,365 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 280 [2021-03-26 17:47:39,365 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 668 transitions, 14955 flow [2021-03-26 17:47:39,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:39,365 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:39,365 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:39,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-26 17:47:39,365 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:39,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:39,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1627752406, now seen corresponding path program 1 times [2021-03-26 17:47:39,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:39,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848031515] [2021-03-26 17:47:39,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:39,392 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:39,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:39,397 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:39,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:39,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:39,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:39,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:39,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:39,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:39,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:39,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:39,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:39,452 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:47:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:39,481 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 17:47:39,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:47:39,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:47:39,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:39,501 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:39,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:39,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848031515] [2021-03-26 17:47:39,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:39,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:39,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043020584] [2021-03-26 17:47:39,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:39,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:39,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:39,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:39,505 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:39,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 668 transitions, 14955 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:39,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:39,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:39,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:40,394 INFO L129 PetriNetUnfolder]: 805/1609 cut-off events. [2021-03-26 17:47:40,394 INFO L130 PetriNetUnfolder]: For 95557/95578 co-relation queries the response was YES. [2021-03-26 17:47:40,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23435 conditions, 1609 events. 805/1609 cut-off events. For 95557/95578 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 10641 event pairs, 96 based on Foata normal form. 18/1626 useless extension candidates. Maximal degree in co-relation 23225. Up to 1184 conditions per place. [2021-03-26 17:47:40,420 INFO L132 encePairwiseOnDemand]: 94/126 looper letters, 460 selfloop transitions, 220 changer transitions 2/690 dead transitions. [2021-03-26 17:47:40,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 690 transitions, 16977 flow [2021-03-26 17:47:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:47:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:47:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 460 transitions. [2021-03-26 17:47:40,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28083028083028083 [2021-03-26 17:47:40,422 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 460 transitions. [2021-03-26 17:47:40,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 460 transitions. [2021-03-26 17:47:40,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:40,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 460 transitions. [2021-03-26 17:47:40,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.38461538461539) internal successors, (460), 13 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:40,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 126.0) internal successors, (1764), 14 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:40,423 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 126.0) internal successors, (1764), 14 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:40,423 INFO L185 Difference]: Start difference. First operand has 517 places, 668 transitions, 14955 flow. Second operand 13 states and 460 transitions. [2021-03-26 17:47:40,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 690 transitions, 16977 flow [2021-03-26 17:47:40,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 690 transitions, 16437 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-26 17:47:40,945 INFO L241 Difference]: Finished difference. Result has 516 places, 671 transitions, 15195 flow [2021-03-26 17:47:40,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14415, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15195, PETRI_PLACES=516, PETRI_TRANSITIONS=671} [2021-03-26 17:47:40,945 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 477 predicate places. [2021-03-26 17:47:40,945 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:40,945 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 671 transitions, 15195 flow [2021-03-26 17:47:40,945 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 671 transitions, 15195 flow [2021-03-26 17:47:40,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 515 places, 671 transitions, 15195 flow [2021-03-26 17:47:41,152 INFO L129 PetriNetUnfolder]: 591/1279 cut-off events. [2021-03-26 17:47:41,152 INFO L130 PetriNetUnfolder]: For 86083/86299 co-relation queries the response was YES. [2021-03-26 17:47:41,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18031 conditions, 1279 events. 591/1279 cut-off events. For 86083/86299 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 8986 event pairs, 43 based on Foata normal form. 28/1278 useless extension candidates. Maximal degree in co-relation 17825. Up to 502 conditions per place. [2021-03-26 17:47:41,178 INFO L142 LiptonReduction]: Number of co-enabled transitions 578 [2021-03-26 17:47:41,224 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:41,225 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:41,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 280 [2021-03-26 17:47:41,225 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 671 transitions, 15195 flow [2021-03-26 17:47:41,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:41,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:41,225 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:41,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-26 17:47:41,225 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:41,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:41,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1721913176, now seen corresponding path program 1 times [2021-03-26 17:47:41,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:41,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723133717] [2021-03-26 17:47:41,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:41,238 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:41,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:41,243 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:41,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:41,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:41,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:41,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:41,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:41,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:41,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:41,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:41,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:41,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:41,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:41,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:41,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:41,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:41,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:41,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:41,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723133717] [2021-03-26 17:47:41,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:41,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:41,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470179760] [2021-03-26 17:47:41,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:41,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:41,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:41,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:41,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:41,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 671 transitions, 15195 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:41,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:41,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:41,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:42,222 INFO L129 PetriNetUnfolder]: 807/1609 cut-off events. [2021-03-26 17:47:42,222 INFO L130 PetriNetUnfolder]: For 98484/98505 co-relation queries the response was YES. [2021-03-26 17:47:42,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23688 conditions, 1609 events. 807/1609 cut-off events. For 98484/98505 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 10632 event pairs, 128 based on Foata normal form. 18/1626 useless extension candidates. Maximal degree in co-relation 23479. Up to 1225 conditions per place. [2021-03-26 17:47:42,249 INFO L132 encePairwiseOnDemand]: 91/126 looper letters, 423 selfloop transitions, 259 changer transitions 2/692 dead transitions. [2021-03-26 17:47:42,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 692 transitions, 17119 flow [2021-03-26 17:47:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 508 transitions. [2021-03-26 17:47:42,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2687830687830688 [2021-03-26 17:47:42,301 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 508 transitions. [2021-03-26 17:47:42,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 508 transitions. [2021-03-26 17:47:42,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:42,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 508 transitions. [2021-03-26 17:47:42,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.86666666666667) internal successors, (508), 15 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:42,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:42,303 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:42,303 INFO L185 Difference]: Start difference. First operand has 515 places, 671 transitions, 15195 flow. Second operand 15 states and 508 transitions. [2021-03-26 17:47:42,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 692 transitions, 17119 flow [2021-03-26 17:47:42,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 692 transitions, 16738 flow, removed 85 selfloop flow, removed 9 redundant places. [2021-03-26 17:47:42,837 INFO L241 Difference]: Finished difference. Result has 524 places, 676 transitions, 15761 flow [2021-03-26 17:47:42,838 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=14814, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15761, PETRI_PLACES=524, PETRI_TRANSITIONS=676} [2021-03-26 17:47:42,838 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 485 predicate places. [2021-03-26 17:47:42,838 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:42,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 676 transitions, 15761 flow [2021-03-26 17:47:42,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 676 transitions, 15761 flow [2021-03-26 17:47:42,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 524 places, 676 transitions, 15761 flow [2021-03-26 17:47:43,050 INFO L129 PetriNetUnfolder]: 587/1285 cut-off events. [2021-03-26 17:47:43,050 INFO L130 PetriNetUnfolder]: For 85997/86189 co-relation queries the response was YES. [2021-03-26 17:47:43,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18528 conditions, 1285 events. 587/1285 cut-off events. For 85997/86189 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 9205 event pairs, 36 based on Foata normal form. 28/1288 useless extension candidates. Maximal degree in co-relation 18303. Up to 496 conditions per place. [2021-03-26 17:47:43,077 INFO L142 LiptonReduction]: Number of co-enabled transitions 578 [2021-03-26 17:47:43,123 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:43,123 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:43,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 285 [2021-03-26 17:47:43,123 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 676 transitions, 15761 flow [2021-03-26 17:47:43,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:43,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:43,124 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:43,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-26 17:47:43,124 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:43,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:43,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1688313948, now seen corresponding path program 2 times [2021-03-26 17:47:43,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:43,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579923990] [2021-03-26 17:47:43,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:43,132 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:43,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:43,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:43,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:43,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:43,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:43,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:43,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:43,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:43,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:43,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:43,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:43,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:43,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:43,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:43,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:43,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:43,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:43,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:43,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:43,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579923990] [2021-03-26 17:47:43,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:43,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:43,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142776518] [2021-03-26 17:47:43,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:43,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:43,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:43,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:43,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:43,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 676 transitions, 15761 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:43,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:43,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:43,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:44,100 INFO L129 PetriNetUnfolder]: 812/1625 cut-off events. [2021-03-26 17:47:44,100 INFO L130 PetriNetUnfolder]: For 104880/104908 co-relation queries the response was YES. [2021-03-26 17:47:44,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24443 conditions, 1625 events. 812/1625 cut-off events. For 104880/104908 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 10840 event pairs, 149 based on Foata normal form. 25/1649 useless extension candidates. Maximal degree in co-relation 24203. Up to 1296 conditions per place. [2021-03-26 17:47:44,128 INFO L132 encePairwiseOnDemand]: 95/126 looper letters, 502 selfloop transitions, 189 changer transitions 2/701 dead transitions. [2021-03-26 17:47:44,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 701 transitions, 17917 flow [2021-03-26 17:47:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:44,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:44,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 503 transitions. [2021-03-26 17:47:44,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2661375661375661 [2021-03-26 17:47:44,129 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 503 transitions. [2021-03-26 17:47:44,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 503 transitions. [2021-03-26 17:47:44,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:44,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 503 transitions. [2021-03-26 17:47:44,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.53333333333333) internal successors, (503), 15 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:44,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:44,130 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:44,130 INFO L185 Difference]: Start difference. First operand has 524 places, 676 transitions, 15761 flow. Second operand 15 states and 503 transitions. [2021-03-26 17:47:44,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 701 transitions, 17917 flow [2021-03-26 17:47:44,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 701 transitions, 17399 flow, removed 40 selfloop flow, removed 12 redundant places. [2021-03-26 17:47:44,722 INFO L241 Difference]: Finished difference. Result has 530 places, 683 transitions, 16054 flow [2021-03-26 17:47:44,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15245, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=676, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16054, PETRI_PLACES=530, PETRI_TRANSITIONS=683} [2021-03-26 17:47:44,723 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 491 predicate places. [2021-03-26 17:47:44,723 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:44,723 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 683 transitions, 16054 flow [2021-03-26 17:47:44,723 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 683 transitions, 16054 flow [2021-03-26 17:47:44,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 683 transitions, 16054 flow [2021-03-26 17:47:44,962 INFO L129 PetriNetUnfolder]: 597/1305 cut-off events. [2021-03-26 17:47:44,963 INFO L130 PetriNetUnfolder]: For 89247/89471 co-relation queries the response was YES. [2021-03-26 17:47:44,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18913 conditions, 1305 events. 597/1305 cut-off events. For 89247/89471 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 9328 event pairs, 41 based on Foata normal form. 31/1308 useless extension candidates. Maximal degree in co-relation 18686. Up to 509 conditions per place. [2021-03-26 17:47:44,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 580 [2021-03-26 17:47:45,031 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:45,031 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:45,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-26 17:47:45,031 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 683 transitions, 16054 flow [2021-03-26 17:47:45,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:45,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:45,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:45,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-26 17:47:45,032 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:45,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:45,032 INFO L82 PathProgramCache]: Analyzing trace with hash -2035198542, now seen corresponding path program 3 times [2021-03-26 17:47:45,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:45,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763346412] [2021-03-26 17:47:45,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:45,046 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:45,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:45,050 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:45,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:45,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:45,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:45,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:45,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:45,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:45,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:47:45,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:45,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:45,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:45,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:45,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:45,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:47:45,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:45,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:45,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:45,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763346412] [2021-03-26 17:47:45,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:45,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:45,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140980659] [2021-03-26 17:47:45,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:45,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:45,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:45,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:45,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:45,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 683 transitions, 16054 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:45,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:45,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:45,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:46,053 INFO L129 PetriNetUnfolder]: 812/1617 cut-off events. [2021-03-26 17:47:46,053 INFO L130 PetriNetUnfolder]: For 103849/103870 co-relation queries the response was YES. [2021-03-26 17:47:46,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24436 conditions, 1617 events. 812/1617 cut-off events. For 103849/103870 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 10754 event pairs, 115 based on Foata normal form. 18/1634 useless extension candidates. Maximal degree in co-relation 24194. Up to 1220 conditions per place. [2021-03-26 17:47:46,085 INFO L132 encePairwiseOnDemand]: 91/126 looper letters, 416 selfloop transitions, 274 changer transitions 2/700 dead transitions. [2021-03-26 17:47:46,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 700 transitions, 17962 flow [2021-03-26 17:47:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:47:46,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:47:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 592 transitions. [2021-03-26 17:47:46,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.26102292768959434 [2021-03-26 17:47:46,087 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 592 transitions. [2021-03-26 17:47:46,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 592 transitions. [2021-03-26 17:47:46,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:46,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 592 transitions. [2021-03-26 17:47:46,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.888888888888886) internal successors, (592), 18 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:46,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 126.0) internal successors, (2394), 19 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:46,092 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 126.0) internal successors, (2394), 19 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:46,092 INFO L185 Difference]: Start difference. First operand has 529 places, 683 transitions, 16054 flow. Second operand 18 states and 592 transitions. [2021-03-26 17:47:46,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 700 transitions, 17962 flow [2021-03-26 17:47:46,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 700 transitions, 17471 flow, removed 120 selfloop flow, removed 9 redundant places. [2021-03-26 17:47:46,736 INFO L241 Difference]: Finished difference. Result has 540 places, 684 transitions, 16371 flow [2021-03-26 17:47:46,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15593, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=16371, PETRI_PLACES=540, PETRI_TRANSITIONS=684} [2021-03-26 17:47:46,737 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 501 predicate places. [2021-03-26 17:47:46,737 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:46,737 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 684 transitions, 16371 flow [2021-03-26 17:47:46,737 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 684 transitions, 16371 flow [2021-03-26 17:47:46,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 537 places, 684 transitions, 16371 flow [2021-03-26 17:47:46,961 INFO L129 PetriNetUnfolder]: 595/1297 cut-off events. [2021-03-26 17:47:46,961 INFO L130 PetriNetUnfolder]: For 90188/90378 co-relation queries the response was YES. [2021-03-26 17:47:46,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19025 conditions, 1297 events. 595/1297 cut-off events. For 90188/90378 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 9264 event pairs, 42 based on Foata normal form. 25/1297 useless extension candidates. Maximal degree in co-relation 18795. Up to 504 conditions per place. [2021-03-26 17:47:46,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 578 [2021-03-26 17:47:47,037 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:47,037 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:47,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 300 [2021-03-26 17:47:47,037 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 684 transitions, 16371 flow [2021-03-26 17:47:47,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:47,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:47,037 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:47,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-26 17:47:47,038 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:47,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:47,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1793156714, now seen corresponding path program 1 times [2021-03-26 17:47:47,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:47,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435330101] [2021-03-26 17:47:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:47,045 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:47,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:47,050 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:47,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:47,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:47,077 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:47,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:47,098 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:47,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:47,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:47,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:47,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:47,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:47,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:47,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:47,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:47,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435330101] [2021-03-26 17:47:47,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:47,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:47,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823927794] [2021-03-26 17:47:47,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:47,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:47,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:47,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:47,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 126 [2021-03-26 17:47:47,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 684 transitions, 16371 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:47,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:47,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 126 [2021-03-26 17:47:47,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:48,067 INFO L129 PetriNetUnfolder]: 837/1668 cut-off events. [2021-03-26 17:47:48,067 INFO L130 PetriNetUnfolder]: For 111410/111431 co-relation queries the response was YES. [2021-03-26 17:47:48,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25621 conditions, 1668 events. 837/1668 cut-off events. For 111410/111431 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 11091 event pairs, 135 based on Foata normal form. 19/1686 useless extension candidates. Maximal degree in co-relation 25376. Up to 1278 conditions per place. [2021-03-26 17:47:48,097 INFO L132 encePairwiseOnDemand]: 95/126 looper letters, 506 selfloop transitions, 204 changer transitions 4/722 dead transitions. [2021-03-26 17:47:48,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 722 transitions, 19165 flow [2021-03-26 17:47:48,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 510 transitions. [2021-03-26 17:47:48,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2698412698412698 [2021-03-26 17:47:48,098 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 510 transitions. [2021-03-26 17:47:48,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 510 transitions. [2021-03-26 17:47:48,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:48,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 510 transitions. [2021-03-26 17:47:48,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.0) internal successors, (510), 15 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:48,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:48,099 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:48,099 INFO L185 Difference]: Start difference. First operand has 537 places, 684 transitions, 16371 flow. Second operand 15 states and 510 transitions. [2021-03-26 17:47:48,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 722 transitions, 19165 flow [2021-03-26 17:47:48,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 722 transitions, 18483 flow, removed 79 selfloop flow, removed 13 redundant places. [2021-03-26 17:47:48,749 INFO L241 Difference]: Finished difference. Result has 542 places, 702 transitions, 16929 flow [2021-03-26 17:47:48,750 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15719, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16929, PETRI_PLACES=542, PETRI_TRANSITIONS=702} [2021-03-26 17:47:48,750 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 503 predicate places. [2021-03-26 17:47:48,750 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:48,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 542 places, 702 transitions, 16929 flow [2021-03-26 17:47:48,750 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 542 places, 702 transitions, 16929 flow [2021-03-26 17:47:48,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 542 places, 702 transitions, 16929 flow [2021-03-26 17:47:48,989 INFO L129 PetriNetUnfolder]: 619/1340 cut-off events. [2021-03-26 17:47:48,989 INFO L130 PetriNetUnfolder]: For 91666/91834 co-relation queries the response was YES. [2021-03-26 17:47:49,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19818 conditions, 1340 events. 619/1340 cut-off events. For 91666/91834 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 9545 event pairs, 45 based on Foata normal form. 28/1340 useless extension candidates. Maximal degree in co-relation 19585. Up to 525 conditions per place. [2021-03-26 17:47:49,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 592 [2021-03-26 17:47:49,186 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:47:49,186 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:47:49,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 436 [2021-03-26 17:47:49,186 INFO L480 AbstractCegarLoop]: Abstraction has has 542 places, 702 transitions, 16999 flow [2021-03-26 17:47:49,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:49,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:49,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:49,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-26 17:47:49,186 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash 170593405, now seen corresponding path program 4 times [2021-03-26 17:47:49,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:49,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212913936] [2021-03-26 17:47:49,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:49,195 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:49,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:49,200 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:49,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:49,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:49,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:49,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:49,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:49,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:49,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:49,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:49,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:49,246 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:47:49,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:47:49,271 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:47:49,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:47:49,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:49,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:49,309 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:47:49,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:47:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:49,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212913936] [2021-03-26 17:47:49,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:49,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:47:49,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437616387] [2021-03-26 17:47:49,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:47:49,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:49,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:47:49,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:47:49,312 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 128 [2021-03-26 17:47:49,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 702 transitions, 16999 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:49,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:49,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 128 [2021-03-26 17:47:49,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:50,152 INFO L129 PetriNetUnfolder]: 834/1661 cut-off events. [2021-03-26 17:47:50,153 INFO L130 PetriNetUnfolder]: For 110445/110466 co-relation queries the response was YES. [2021-03-26 17:47:50,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25617 conditions, 1661 events. 834/1661 cut-off events. For 110445/110466 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 11053 event pairs, 159 based on Foata normal form. 14/1674 useless extension candidates. Maximal degree in co-relation 25369. Up to 1517 conditions per place. [2021-03-26 17:47:50,180 INFO L132 encePairwiseOnDemand]: 113/128 looper letters, 666 selfloop transitions, 31 changer transitions 6/711 dead transitions. [2021-03-26 17:47:50,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 711 transitions, 18556 flow [2021-03-26 17:47:50,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:47:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:47:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 414 transitions. [2021-03-26 17:47:50,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24879807692307693 [2021-03-26 17:47:50,181 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 414 transitions. [2021-03-26 17:47:50,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 414 transitions. [2021-03-26 17:47:50,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:50,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 414 transitions. [2021-03-26 17:47:50,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 31.846153846153847) internal successors, (414), 13 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:50,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:50,182 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:50,183 INFO L185 Difference]: Start difference. First operand has 542 places, 702 transitions, 16999 flow. Second operand 13 states and 414 transitions. [2021-03-26 17:47:50,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 711 transitions, 18556 flow [2021-03-26 17:47:50,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 711 transitions, 17735 flow, removed 265 selfloop flow, removed 9 redundant places. [2021-03-26 17:47:50,817 INFO L241 Difference]: Finished difference. Result has 546 places, 696 transitions, 16165 flow [2021-03-26 17:47:50,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=16180, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=671, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16165, PETRI_PLACES=546, PETRI_TRANSITIONS=696} [2021-03-26 17:47:50,817 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 507 predicate places. [2021-03-26 17:47:50,817 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:50,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 696 transitions, 16165 flow [2021-03-26 17:47:50,818 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 696 transitions, 16165 flow [2021-03-26 17:47:50,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 536 places, 696 transitions, 16165 flow [2021-03-26 17:47:51,047 INFO L129 PetriNetUnfolder]: 612/1334 cut-off events. [2021-03-26 17:47:51,047 INFO L130 PetriNetUnfolder]: For 86093/86265 co-relation queries the response was YES. [2021-03-26 17:47:51,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19148 conditions, 1334 events. 612/1334 cut-off events. For 86093/86265 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 9511 event pairs, 37 based on Foata normal form. 28/1336 useless extension candidates. Maximal degree in co-relation 18932. Up to 495 conditions per place. [2021-03-26 17:47:51,076 INFO L142 LiptonReduction]: Number of co-enabled transitions 592 [2021-03-26 17:47:51,236 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:47:51,237 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:47:51,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 420 [2021-03-26 17:47:51,237 INFO L480 AbstractCegarLoop]: Abstraction has has 536 places, 696 transitions, 16183 flow [2021-03-26 17:47:51,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:51,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:51,237 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:51,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-26 17:47:51,237 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:51,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:51,237 INFO L82 PathProgramCache]: Analyzing trace with hash 2038655646, now seen corresponding path program 2 times [2021-03-26 17:47:51,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:51,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100200507] [2021-03-26 17:47:51,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:51,259 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:51,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:51,264 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:51,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:51,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:51,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:51,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:51,293 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:51,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:51,318 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:51,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:51,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:51,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:51,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:51,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:51,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:51,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:51,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100200507] [2021-03-26 17:47:51,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:51,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:51,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985697039] [2021-03-26 17:47:51,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:51,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:51,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:51,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:51,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 130 [2021-03-26 17:47:51,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 696 transitions, 16183 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:51,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:51,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 130 [2021-03-26 17:47:51,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:52,359 INFO L129 PetriNetUnfolder]: 847/1693 cut-off events. [2021-03-26 17:47:52,359 INFO L130 PetriNetUnfolder]: For 106019/106040 co-relation queries the response was YES. [2021-03-26 17:47:52,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25529 conditions, 1693 events. 847/1693 cut-off events. For 106019/106040 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 11354 event pairs, 137 based on Foata normal form. 19/1711 useless extension candidates. Maximal degree in co-relation 25311. Up to 1291 conditions per place. [2021-03-26 17:47:52,383 INFO L132 encePairwiseOnDemand]: 95/130 looper letters, 505 selfloop transitions, 212 changer transitions 2/727 dead transitions. [2021-03-26 17:47:52,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 727 transitions, 18734 flow [2021-03-26 17:47:52,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 513 transitions. [2021-03-26 17:47:52,385 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2630769230769231 [2021-03-26 17:47:52,385 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 513 transitions. [2021-03-26 17:47:52,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 513 transitions. [2021-03-26 17:47:52,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:52,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 513 transitions. [2021-03-26 17:47:52,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.2) internal successors, (513), 15 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:52,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 130.0) internal successors, (2080), 16 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:52,386 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 130.0) internal successors, (2080), 16 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:52,386 INFO L185 Difference]: Start difference. First operand has 536 places, 696 transitions, 16183 flow. Second operand 15 states and 513 transitions. [2021-03-26 17:47:52,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 727 transitions, 18734 flow [2021-03-26 17:47:52,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 727 transitions, 18476 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-03-26 17:47:52,965 INFO L241 Difference]: Finished difference. Result has 543 places, 710 transitions, 17119 flow [2021-03-26 17:47:52,965 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=15945, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17119, PETRI_PLACES=543, PETRI_TRANSITIONS=710} [2021-03-26 17:47:52,965 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 504 predicate places. [2021-03-26 17:47:52,965 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:52,965 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 543 places, 710 transitions, 17119 flow [2021-03-26 17:47:52,966 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 543 places, 710 transitions, 17119 flow [2021-03-26 17:47:52,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 710 transitions, 17119 flow [2021-03-26 17:47:53,208 INFO L129 PetriNetUnfolder]: 617/1349 cut-off events. [2021-03-26 17:47:53,208 INFO L130 PetriNetUnfolder]: For 92613/92896 co-relation queries the response was YES. [2021-03-26 17:47:53,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19817 conditions, 1349 events. 617/1349 cut-off events. For 92613/92896 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 9721 event pairs, 51 based on Foata normal form. 49/1374 useless extension candidates. Maximal degree in co-relation 19585. Up to 511 conditions per place. [2021-03-26 17:47:53,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 634 [2021-03-26 17:47:53,382 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:47:53,382 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:47:53,382 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-03-26 17:47:53,382 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 710 transitions, 17150 flow [2021-03-26 17:47:53,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:53,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:53,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:53,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-26 17:47:53,383 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:53,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:53,383 INFO L82 PathProgramCache]: Analyzing trace with hash -3011553, now seen corresponding path program 1 times [2021-03-26 17:47:53,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:53,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139095260] [2021-03-26 17:47:53,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:53,390 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:53,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:53,394 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:53,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:53,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:53,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:53,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:53,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:53,417 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:53,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:53,436 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:53,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:53,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:53,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:53,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:53,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:53,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:53,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:53,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:53,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139095260] [2021-03-26 17:47:53,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:53,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:53,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119387908] [2021-03-26 17:47:53,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:53,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:53,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:53,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:53,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 131 [2021-03-26 17:47:53,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 710 transitions, 17150 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:53,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:53,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 131 [2021-03-26 17:47:53,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:54,449 INFO L129 PetriNetUnfolder]: 848/1698 cut-off events. [2021-03-26 17:47:54,449 INFO L130 PetriNetUnfolder]: For 107217/107221 co-relation queries the response was YES. [2021-03-26 17:47:54,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25876 conditions, 1698 events. 848/1698 cut-off events. For 107217/107221 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 11434 event pairs, 146 based on Foata normal form. 6/1703 useless extension candidates. Maximal degree in co-relation 25639. Up to 1300 conditions per place. [2021-03-26 17:47:54,479 INFO L132 encePairwiseOnDemand]: 96/131 looper letters, 513 selfloop transitions, 207 changer transitions 2/730 dead transitions. [2021-03-26 17:47:54,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 730 transitions, 19144 flow [2021-03-26 17:47:54,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:47:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:47:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 483 transitions. [2021-03-26 17:47:54,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2633587786259542 [2021-03-26 17:47:54,480 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 483 transitions. [2021-03-26 17:47:54,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 483 transitions. [2021-03-26 17:47:54,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:54,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 483 transitions. [2021-03-26 17:47:54,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.5) internal successors, (483), 14 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:54,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:54,482 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:54,482 INFO L185 Difference]: Start difference. First operand has 543 places, 710 transitions, 17150 flow. Second operand 14 states and 483 transitions. [2021-03-26 17:47:54,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 730 transitions, 19144 flow [2021-03-26 17:47:55,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 730 transitions, 18258 flow, removed 278 selfloop flow, removed 10 redundant places. [2021-03-26 17:47:55,179 INFO L241 Difference]: Finished difference. Result has 550 places, 715 transitions, 16920 flow [2021-03-26 17:47:55,179 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=16264, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16920, PETRI_PLACES=550, PETRI_TRANSITIONS=715} [2021-03-26 17:47:55,179 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 511 predicate places. [2021-03-26 17:47:55,179 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:55,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 550 places, 715 transitions, 16920 flow [2021-03-26 17:47:55,180 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 550 places, 715 transitions, 16920 flow [2021-03-26 17:47:55,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 550 places, 715 transitions, 16920 flow [2021-03-26 17:47:55,504 INFO L129 PetriNetUnfolder]: 630/1374 cut-off events. [2021-03-26 17:47:55,504 INFO L130 PetriNetUnfolder]: For 92376/92557 co-relation queries the response was YES. [2021-03-26 17:47:55,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20065 conditions, 1374 events. 630/1374 cut-off events. For 92376/92557 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 9887 event pairs, 43 based on Foata normal form. 34/1383 useless extension candidates. Maximal degree in co-relation 19829. Up to 498 conditions per place. [2021-03-26 17:47:55,535 INFO L142 LiptonReduction]: Number of co-enabled transitions 626 [2021-03-26 17:47:55,682 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:55,682 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:47:55,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 503 [2021-03-26 17:47:55,682 INFO L480 AbstractCegarLoop]: Abstraction has has 550 places, 715 transitions, 16945 flow [2021-03-26 17:47:55,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:55,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:55,682 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:55,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-26 17:47:55,682 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:55,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:55,683 INFO L82 PathProgramCache]: Analyzing trace with hash -938000556, now seen corresponding path program 1 times [2021-03-26 17:47:55,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:55,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843143679] [2021-03-26 17:47:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:55,698 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:55,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:55,702 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:55,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:55,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:55,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:55,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:55,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:55,726 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:47:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:47:55,745 INFO L142 QuantifierPusher]: treesize reduction 49, result has 38.8 percent of original size [2021-03-26 17:47:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 17:47:55,748 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-26 17:47:55,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:47:55,766 INFO L142 QuantifierPusher]: treesize reduction 27, result has 44.9 percent of original size [2021-03-26 17:47:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:55,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:55,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:55,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:55,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:55,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843143679] [2021-03-26 17:47:55,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:55,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:47:55,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215877633] [2021-03-26 17:47:55,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:47:55,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:55,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:47:55,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:47:55,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:47:55,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 715 transitions, 16945 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:55,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:55,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:47:55,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:56,711 INFO L129 PetriNetUnfolder]: 846/1706 cut-off events. [2021-03-26 17:47:56,711 INFO L130 PetriNetUnfolder]: For 110317/110338 co-relation queries the response was YES. [2021-03-26 17:47:56,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25938 conditions, 1706 events. 846/1706 cut-off events. For 110317/110338 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 11541 event pairs, 127 based on Foata normal form. 18/1723 useless extension candidates. Maximal degree in co-relation 25697. Up to 1365 conditions per place. [2021-03-26 17:47:56,743 INFO L132 encePairwiseOnDemand]: 102/132 looper letters, 579 selfloop transitions, 145 changer transitions 6/738 dead transitions. [2021-03-26 17:47:56,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 738 transitions, 18839 flow [2021-03-26 17:47:56,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:47:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:47:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 458 transitions. [2021-03-26 17:47:56,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2668997668997669 [2021-03-26 17:47:56,744 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 458 transitions. [2021-03-26 17:47:56,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 458 transitions. [2021-03-26 17:47:56,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:56,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 458 transitions. [2021-03-26 17:47:56,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.23076923076923) internal successors, (458), 13 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:56,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 132.0) internal successors, (1848), 14 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:56,746 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 132.0) internal successors, (1848), 14 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:56,746 INFO L185 Difference]: Start difference. First operand has 550 places, 715 transitions, 16945 flow. Second operand 13 states and 458 transitions. [2021-03-26 17:47:56,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 738 transitions, 18839 flow [2021-03-26 17:47:57,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 738 transitions, 18192 flow, removed 73 selfloop flow, removed 13 redundant places. [2021-03-26 17:47:57,364 INFO L241 Difference]: Finished difference. Result has 553 places, 717 transitions, 16767 flow [2021-03-26 17:47:57,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16298, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16767, PETRI_PLACES=553, PETRI_TRANSITIONS=717} [2021-03-26 17:47:57,365 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 514 predicate places. [2021-03-26 17:47:57,365 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:57,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 717 transitions, 16767 flow [2021-03-26 17:47:57,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 717 transitions, 16767 flow [2021-03-26 17:47:57,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 552 places, 717 transitions, 16767 flow [2021-03-26 17:47:57,658 INFO L129 PetriNetUnfolder]: 624/1374 cut-off events. [2021-03-26 17:47:57,659 INFO L130 PetriNetUnfolder]: For 89850/90039 co-relation queries the response was YES. [2021-03-26 17:47:57,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19817 conditions, 1374 events. 624/1374 cut-off events. For 89850/90039 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 9928 event pairs, 36 based on Foata normal form. 26/1374 useless extension candidates. Maximal degree in co-relation 19594. Up to 492 conditions per place. [2021-03-26 17:47:57,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 632 [2021-03-26 17:47:57,747 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:57,747 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:57,747 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-26 17:47:57,747 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 717 transitions, 16767 flow [2021-03-26 17:47:57,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:57,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:57,747 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:57,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-26 17:47:57,748 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:57,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:57,748 INFO L82 PathProgramCache]: Analyzing trace with hash 361322571, now seen corresponding path program 2 times [2021-03-26 17:47:57,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:57,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128635639] [2021-03-26 17:47:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:57,755 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:57,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:57,760 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:57,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:57,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:57,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:57,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:57,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:57,786 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:57,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:57,806 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:47:57,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:57,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:57,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:47:57,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:57,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:57,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:57,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:57,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:57,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:57,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128635639] [2021-03-26 17:47:57,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:57,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:47:57,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890400281] [2021-03-26 17:47:57,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:47:57,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:57,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:47:57,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:47:57,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:47:57,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 717 transitions, 16767 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:57,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:57,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:47:57,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:47:58,855 INFO L129 PetriNetUnfolder]: 845/1718 cut-off events. [2021-03-26 17:47:58,855 INFO L130 PetriNetUnfolder]: For 110374/110395 co-relation queries the response was YES. [2021-03-26 17:47:58,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26035 conditions, 1718 events. 845/1718 cut-off events. For 110374/110395 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 11720 event pairs, 130 based on Foata normal form. 19/1736 useless extension candidates. Maximal degree in co-relation 25810. Up to 1298 conditions per place. [2021-03-26 17:47:58,886 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 513 selfloop transitions, 227 changer transitions 4/752 dead transitions. [2021-03-26 17:47:58,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 752 transitions, 19243 flow [2021-03-26 17:47:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:47:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:47:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 517 transitions. [2021-03-26 17:47:58,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2611111111111111 [2021-03-26 17:47:58,888 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 517 transitions. [2021-03-26 17:47:58,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 517 transitions. [2021-03-26 17:47:58,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:47:58,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 517 transitions. [2021-03-26 17:47:58,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.46666666666667) internal successors, (517), 15 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) [2021-03-26 17:47:58,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:58,889 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:58,889 INFO L185 Difference]: Start difference. First operand has 552 places, 717 transitions, 16767 flow. Second operand 15 states and 517 transitions. [2021-03-26 17:47:58,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 752 transitions, 19243 flow [2021-03-26 17:47:59,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 752 transitions, 18781 flow, removed 30 selfloop flow, removed 14 redundant places. [2021-03-26 17:47:59,483 INFO L241 Difference]: Finished difference. Result has 556 places, 736 transitions, 17428 flow [2021-03-26 17:47:59,483 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16335, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17428, PETRI_PLACES=556, PETRI_TRANSITIONS=736} [2021-03-26 17:47:59,483 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 517 predicate places. [2021-03-26 17:47:59,483 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:47:59,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 556 places, 736 transitions, 17428 flow [2021-03-26 17:47:59,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 556 places, 736 transitions, 17428 flow [2021-03-26 17:47:59,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 556 places, 736 transitions, 17428 flow [2021-03-26 17:47:59,731 INFO L129 PetriNetUnfolder]: 640/1404 cut-off events. [2021-03-26 17:47:59,731 INFO L130 PetriNetUnfolder]: For 103625/103879 co-relation queries the response was YES. [2021-03-26 17:47:59,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20775 conditions, 1404 events. 640/1404 cut-off events. For 103625/103879 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 10172 event pairs, 41 based on Foata normal form. 37/1413 useless extension candidates. Maximal degree in co-relation 20534. Up to 515 conditions per place. [2021-03-26 17:47:59,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 618 [2021-03-26 17:47:59,817 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:47:59,817 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:47:59,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 334 [2021-03-26 17:47:59,817 INFO L480 AbstractCegarLoop]: Abstraction has has 556 places, 736 transitions, 17428 flow [2021-03-26 17:47:59,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:59,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:47:59,817 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:47:59,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-26 17:47:59,818 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:47:59,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:47:59,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1301596562, now seen corresponding path program 1 times [2021-03-26 17:47:59,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:47:59,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326121568] [2021-03-26 17:47:59,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:47:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:47:59,826 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:47:59,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:59,830 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:47:59,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:47:59,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:47:59,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:59,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:47:59,854 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:47:59,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:47:59,872 INFO L142 QuantifierPusher]: treesize reduction 49, result has 38.8 percent of original size [2021-03-26 17:47:59,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 17:47:59,875 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-26 17:47:59,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:47:59,891 INFO L142 QuantifierPusher]: treesize reduction 27, result has 44.9 percent of original size [2021-03-26 17:47:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:47:59,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:59,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:47:59,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:47:59,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:47:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:47:59,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326121568] [2021-03-26 17:47:59,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:47:59,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:47:59,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906939275] [2021-03-26 17:47:59,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:47:59,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:47:59,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:47:59,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:47:59,904 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:47:59,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 736 transitions, 17428 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:47:59,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:47:59,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:47:59,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:00,776 INFO L129 PetriNetUnfolder]: 841/1720 cut-off events. [2021-03-26 17:48:00,776 INFO L130 PetriNetUnfolder]: For 114968/114989 co-relation queries the response was YES. [2021-03-26 17:48:00,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26301 conditions, 1720 events. 841/1720 cut-off events. For 114968/114989 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 11807 event pairs, 138 based on Foata normal form. 18/1737 useless extension candidates. Maximal degree in co-relation 26053. Up to 1376 conditions per place. [2021-03-26 17:48:00,805 INFO L132 encePairwiseOnDemand]: 102/132 looper letters, 587 selfloop transitions, 154 changer transitions 6/755 dead transitions. [2021-03-26 17:48:00,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 755 transitions, 19277 flow [2021-03-26 17:48:00,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:48:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:48:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 426 transitions. [2021-03-26 17:48:00,806 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2689393939393939 [2021-03-26 17:48:00,807 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 426 transitions. [2021-03-26 17:48:00,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 426 transitions. [2021-03-26 17:48:00,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:00,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 426 transitions. [2021-03-26 17:48:00,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 35.5) internal successors, (426), 12 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:00,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:00,808 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:00,808 INFO L185 Difference]: Start difference. First operand has 556 places, 736 transitions, 17428 flow. Second operand 12 states and 426 transitions. [2021-03-26 17:48:00,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 755 transitions, 19277 flow [2021-03-26 17:48:01,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 755 transitions, 18675 flow, removed 98 selfloop flow, removed 11 redundant places. [2021-03-26 17:48:01,437 INFO L241 Difference]: Finished difference. Result has 559 places, 735 transitions, 17249 flow [2021-03-26 17:48:01,437 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16852, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=736, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17249, PETRI_PLACES=559, PETRI_TRANSITIONS=735} [2021-03-26 17:48:01,437 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 520 predicate places. [2021-03-26 17:48:01,437 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:01,437 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 559 places, 735 transitions, 17249 flow [2021-03-26 17:48:01,437 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 559 places, 735 transitions, 17249 flow [2021-03-26 17:48:01,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 735 transitions, 17249 flow [2021-03-26 17:48:01,683 INFO L129 PetriNetUnfolder]: 637/1401 cut-off events. [2021-03-26 17:48:01,684 INFO L130 PetriNetUnfolder]: For 99782/100069 co-relation queries the response was YES. [2021-03-26 17:48:01,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20529 conditions, 1401 events. 637/1401 cut-off events. For 99782/100069 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 10213 event pairs, 37 based on Foata normal form. 35/1405 useless extension candidates. Maximal degree in co-relation 20286. Up to 493 conditions per place. [2021-03-26 17:48:01,715 INFO L142 LiptonReduction]: Number of co-enabled transitions 616 [2021-03-26 17:48:01,769 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:01,769 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:01,769 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 332 [2021-03-26 17:48:01,769 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 735 transitions, 17249 flow [2021-03-26 17:48:01,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:01,769 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:01,769 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:01,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-26 17:48:01,769 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:01,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:01,770 INFO L82 PathProgramCache]: Analyzing trace with hash -185136263, now seen corresponding path program 5 times [2021-03-26 17:48:01,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:01,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793958692] [2021-03-26 17:48:01,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:01,777 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:01,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:01,782 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:01,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:01,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:01,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:01,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:01,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:01,807 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:01,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:01,825 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:01,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:01,845 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:48:01,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:01,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:48:01,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:01,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:01,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:01,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:01,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793958692] [2021-03-26 17:48:01,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:01,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:01,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721510629] [2021-03-26 17:48:01,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:01,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:01,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:01,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:01,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 735 transitions, 17249 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:01,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:01,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:01,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:02,909 INFO L129 PetriNetUnfolder]: 842/1719 cut-off events. [2021-03-26 17:48:02,909 INFO L130 PetriNetUnfolder]: For 112361/112382 co-relation queries the response was YES. [2021-03-26 17:48:02,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26106 conditions, 1719 events. 842/1719 cut-off events. For 112361/112382 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 11817 event pairs, 145 based on Foata normal form. 18/1736 useless extension candidates. Maximal degree in co-relation 25858. Up to 1279 conditions per place. [2021-03-26 17:48:02,940 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 509 selfloop transitions, 236 changer transitions 2/755 dead transitions. [2021-03-26 17:48:02,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 755 transitions, 19313 flow [2021-03-26 17:48:02,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:48:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:48:02,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 566 transitions. [2021-03-26 17:48:02,941 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2522281639928699 [2021-03-26 17:48:02,941 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 566 transitions. [2021-03-26 17:48:02,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 566 transitions. [2021-03-26 17:48:02,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:02,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 566 transitions. [2021-03-26 17:48:02,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.294117647058826) internal successors, (566), 17 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:02,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 132.0) internal successors, (2376), 18 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:02,943 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 132.0) internal successors, (2376), 18 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:02,943 INFO L185 Difference]: Start difference. First operand has 558 places, 735 transitions, 17249 flow. Second operand 17 states and 566 transitions. [2021-03-26 17:48:02,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 755 transitions, 19313 flow [2021-03-26 17:48:03,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 755 transitions, 18960 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-26 17:48:03,670 INFO L241 Difference]: Finished difference. Result has 566 places, 740 transitions, 17628 flow [2021-03-26 17:48:03,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16902, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=17628, PETRI_PLACES=566, PETRI_TRANSITIONS=740} [2021-03-26 17:48:03,670 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 527 predicate places. [2021-03-26 17:48:03,670 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:03,670 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 740 transitions, 17628 flow [2021-03-26 17:48:03,670 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 740 transitions, 17628 flow [2021-03-26 17:48:03,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 565 places, 740 transitions, 17628 flow [2021-03-26 17:48:03,916 INFO L129 PetriNetUnfolder]: 623/1389 cut-off events. [2021-03-26 17:48:03,916 INFO L130 PetriNetUnfolder]: For 99157/99436 co-relation queries the response was YES. [2021-03-26 17:48:03,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20398 conditions, 1389 events. 623/1389 cut-off events. For 99157/99436 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 10163 event pairs, 38 based on Foata normal form. 36/1402 useless extension candidates. Maximal degree in co-relation 20173. Up to 486 conditions per place. [2021-03-26 17:48:03,948 INFO L142 LiptonReduction]: Number of co-enabled transitions 628 [2021-03-26 17:48:04,003 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:04,003 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:04,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 333 [2021-03-26 17:48:04,003 INFO L480 AbstractCegarLoop]: Abstraction has has 565 places, 740 transitions, 17628 flow [2021-03-26 17:48:04,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:04,003 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:04,003 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:04,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-26 17:48:04,003 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:04,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:04,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1516271156, now seen corresponding path program 3 times [2021-03-26 17:48:04,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:04,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268620879] [2021-03-26 17:48:04,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:04,010 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:04,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:04,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:04,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:04,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:04,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:04,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:04,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:04,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:04,048 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:04,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:04,068 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:04,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:04,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:04,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:04,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:04,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:04,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268620879] [2021-03-26 17:48:04,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:04,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:04,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346205774] [2021-03-26 17:48:04,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:04,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:04,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:04,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:04,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:04,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 740 transitions, 17628 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:04,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:04,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:04,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:04,993 INFO L129 PetriNetUnfolder]: 843/1723 cut-off events. [2021-03-26 17:48:04,993 INFO L130 PetriNetUnfolder]: For 112837/112858 co-relation queries the response was YES. [2021-03-26 17:48:05,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26279 conditions, 1723 events. 843/1723 cut-off events. For 112837/112858 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 11859 event pairs, 132 based on Foata normal form. 14/1736 useless extension candidates. Maximal degree in co-relation 26052. Up to 1533 conditions per place. [2021-03-26 17:48:05,027 INFO L132 encePairwiseOnDemand]: 116/132 looper letters, 704 selfloop transitions, 49 changer transitions 2/763 dead transitions. [2021-03-26 17:48:05,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 763 transitions, 19744 flow [2021-03-26 17:48:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:48:05,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:48:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 453 transitions. [2021-03-26 17:48:05,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24512987012987014 [2021-03-26 17:48:05,028 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 453 transitions. [2021-03-26 17:48:05,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 453 transitions. [2021-03-26 17:48:05,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:05,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 453 transitions. [2021-03-26 17:48:05,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.357142857142854) internal successors, (453), 14 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:05,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:05,030 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:05,030 INFO L185 Difference]: Start difference. First operand has 565 places, 740 transitions, 17628 flow. Second operand 14 states and 453 transitions. [2021-03-26 17:48:05,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 763 transitions, 19744 flow [2021-03-26 17:48:05,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 763 transitions, 19249 flow, removed 89 selfloop flow, removed 12 redundant places. [2021-03-26 17:48:05,713 INFO L241 Difference]: Finished difference. Result has 569 places, 741 transitions, 17343 flow [2021-03-26 17:48:05,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17143, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17343, PETRI_PLACES=569, PETRI_TRANSITIONS=741} [2021-03-26 17:48:05,713 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 530 predicate places. [2021-03-26 17:48:05,713 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:05,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 569 places, 741 transitions, 17343 flow [2021-03-26 17:48:05,713 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 569 places, 741 transitions, 17343 flow [2021-03-26 17:48:05,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 567 places, 741 transitions, 17343 flow [2021-03-26 17:48:05,985 INFO L129 PetriNetUnfolder]: 627/1402 cut-off events. [2021-03-26 17:48:05,985 INFO L130 PetriNetUnfolder]: For 96615/96820 co-relation queries the response was YES. [2021-03-26 17:48:06,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20284 conditions, 1402 events. 627/1402 cut-off events. For 96615/96820 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 10310 event pairs, 42 based on Foata normal form. 39/1416 useless extension candidates. Maximal degree in co-relation 20057. Up to 476 conditions per place. [2021-03-26 17:48:06,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 628 [2021-03-26 17:48:06,072 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:06,072 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:06,072 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 359 [2021-03-26 17:48:06,072 INFO L480 AbstractCegarLoop]: Abstraction has has 567 places, 741 transitions, 17343 flow [2021-03-26 17:48:06,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:06,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:06,073 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:06,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-26 17:48:06,073 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:06,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:06,073 INFO L82 PathProgramCache]: Analyzing trace with hash -967864197, now seen corresponding path program 6 times [2021-03-26 17:48:06,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:06,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048411601] [2021-03-26 17:48:06,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:06,082 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:06,086 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:06,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:06,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:06,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:06,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:06,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:06,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:06,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:06,124 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:06,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:06,145 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:06,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:06,166 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:06,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:06,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:06,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:06,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:06,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048411601] [2021-03-26 17:48:06,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:06,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:06,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700222267] [2021-03-26 17:48:06,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:06,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:06,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:06,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:06,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:06,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 741 transitions, 17343 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:06,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:06,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:06,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:07,044 INFO L129 PetriNetUnfolder]: 842/1721 cut-off events. [2021-03-26 17:48:07,044 INFO L130 PetriNetUnfolder]: For 111574/111595 co-relation queries the response was YES. [2021-03-26 17:48:07,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26025 conditions, 1721 events. 842/1721 cut-off events. For 111574/111595 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 11801 event pairs, 154 based on Foata normal form. 14/1734 useless extension candidates. Maximal degree in co-relation 25796. Up to 1541 conditions per place. [2021-03-26 17:48:07,076 INFO L132 encePairwiseOnDemand]: 117/132 looper letters, 701 selfloop transitions, 46 changer transitions 3/758 dead transitions. [2021-03-26 17:48:07,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 758 transitions, 19238 flow [2021-03-26 17:48:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:48:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:48:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 450 transitions. [2021-03-26 17:48:07,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2435064935064935 [2021-03-26 17:48:07,077 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 450 transitions. [2021-03-26 17:48:07,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 450 transitions. [2021-03-26 17:48:07,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:07,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 450 transitions. [2021-03-26 17:48:07,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.142857142857146) internal successors, (450), 14 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:07,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:07,079 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:07,079 INFO L185 Difference]: Start difference. First operand has 567 places, 741 transitions, 17343 flow. Second operand 14 states and 450 transitions. [2021-03-26 17:48:07,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 758 transitions, 19238 flow [2021-03-26 17:48:07,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 758 transitions, 19040 flow, removed 52 selfloop flow, removed 12 redundant places. [2021-03-26 17:48:07,735 INFO L241 Difference]: Finished difference. Result has 570 places, 739 transitions, 17198 flow [2021-03-26 17:48:07,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17145, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=741, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17198, PETRI_PLACES=570, PETRI_TRANSITIONS=739} [2021-03-26 17:48:07,735 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 531 predicate places. [2021-03-26 17:48:07,735 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:07,735 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 570 places, 739 transitions, 17198 flow [2021-03-26 17:48:07,735 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 570 places, 739 transitions, 17198 flow [2021-03-26 17:48:07,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 739 transitions, 17198 flow [2021-03-26 17:48:08,087 INFO L129 PetriNetUnfolder]: 629/1403 cut-off events. [2021-03-26 17:48:08,088 INFO L130 PetriNetUnfolder]: For 97988/98256 co-relation queries the response was YES. [2021-03-26 17:48:08,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20308 conditions, 1403 events. 629/1403 cut-off events. For 97988/98256 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 10300 event pairs, 40 based on Foata normal form. 36/1412 useless extension candidates. Maximal degree in co-relation 20081. Up to 476 conditions per place. [2021-03-26 17:48:08,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 626 [2021-03-26 17:48:08,177 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:08,177 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:08,177 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 442 [2021-03-26 17:48:08,178 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 739 transitions, 17198 flow [2021-03-26 17:48:08,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:08,178 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:08,178 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:08,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-03-26 17:48:08,178 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:08,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:08,178 INFO L82 PathProgramCache]: Analyzing trace with hash 36232811, now seen corresponding path program 7 times [2021-03-26 17:48:08,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:08,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351335384] [2021-03-26 17:48:08,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:08,186 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:08,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:08,191 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:08,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:08,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:08,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:08,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:08,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:08,217 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:08,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:08,243 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:08,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:08,270 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:08,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:08,297 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:08,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:08,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:08,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:08,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:08,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:08,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351335384] [2021-03-26 17:48:08,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:08,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:08,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551122291] [2021-03-26 17:48:08,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:08,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:08,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:08,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:08,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:08,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 739 transitions, 17198 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:08,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:08,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:08,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:09,414 INFO L129 PetriNetUnfolder]: 841/1722 cut-off events. [2021-03-26 17:48:09,415 INFO L130 PetriNetUnfolder]: For 109850/109854 co-relation queries the response was YES. [2021-03-26 17:48:09,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25943 conditions, 1722 events. 841/1722 cut-off events. For 109850/109854 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 11855 event pairs, 157 based on Foata normal form. 5/1726 useless extension candidates. Maximal degree in co-relation 25714. Up to 1320 conditions per place. [2021-03-26 17:48:09,442 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 524 selfloop transitions, 213 changer transitions 8/753 dead transitions. [2021-03-26 17:48:09,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 753 transitions, 18952 flow [2021-03-26 17:48:09,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:48:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:48:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 593 transitions. [2021-03-26 17:48:09,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24957912457912457 [2021-03-26 17:48:09,444 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 593 transitions. [2021-03-26 17:48:09,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 593 transitions. [2021-03-26 17:48:09,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:09,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 593 transitions. [2021-03-26 17:48:09,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.94444444444444) internal successors, (593), 18 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:09,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:09,445 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:09,445 INFO L185 Difference]: Start difference. First operand has 566 places, 739 transitions, 17198 flow. Second operand 18 states and 593 transitions. [2021-03-26 17:48:09,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 753 transitions, 18952 flow [2021-03-26 17:48:10,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 753 transitions, 18850 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 17:48:10,117 INFO L241 Difference]: Finished difference. Result has 572 places, 732 transitions, 17392 flow [2021-03-26 17:48:10,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17098, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=17392, PETRI_PLACES=572, PETRI_TRANSITIONS=732} [2021-03-26 17:48:10,117 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 533 predicate places. [2021-03-26 17:48:10,117 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:10,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 572 places, 732 transitions, 17392 flow [2021-03-26 17:48:10,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 572 places, 732 transitions, 17392 flow [2021-03-26 17:48:10,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 732 transitions, 17392 flow [2021-03-26 17:48:10,367 INFO L129 PetriNetUnfolder]: 625/1396 cut-off events. [2021-03-26 17:48:10,367 INFO L130 PetriNetUnfolder]: For 95583/95789 co-relation queries the response was YES. [2021-03-26 17:48:10,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20539 conditions, 1396 events. 625/1396 cut-off events. For 95583/95789 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 10282 event pairs, 33 based on Foata normal form. 35/1409 useless extension candidates. Maximal degree in co-relation 20313. Up to 475 conditions per place. [2021-03-26 17:48:10,405 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-26 17:48:10,460 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:10,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:10,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 343 [2021-03-26 17:48:10,460 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 732 transitions, 17392 flow [2021-03-26 17:48:10,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:10,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:10,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:10,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-03-26 17:48:10,461 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:10,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:10,461 INFO L82 PathProgramCache]: Analyzing trace with hash -823494794, now seen corresponding path program 4 times [2021-03-26 17:48:10,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:10,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526175891] [2021-03-26 17:48:10,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:10,475 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:10,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:10,480 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:10,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:10,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:10,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:10,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:10,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:10,505 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:10,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:10,524 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:10,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:10,544 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:10,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:10,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:10,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:10,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:10,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:10,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:10,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:10,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526175891] [2021-03-26 17:48:10,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:10,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:10,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718240401] [2021-03-26 17:48:10,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:10,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:10,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:10,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:10,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:10,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 732 transitions, 17392 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:10,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:10,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:10,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:11,699 INFO L129 PetriNetUnfolder]: 875/1790 cut-off events. [2021-03-26 17:48:11,699 INFO L130 PetriNetUnfolder]: For 118612/118633 co-relation queries the response was YES. [2021-03-26 17:48:11,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27598 conditions, 1790 events. 875/1790 cut-off events. For 118612/118633 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 12373 event pairs, 136 based on Foata normal form. 19/1808 useless extension candidates. Maximal degree in co-relation 27370. Up to 1298 conditions per place. [2021-03-26 17:48:11,733 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 506 selfloop transitions, 271 changer transitions 5/790 dead transitions. [2021-03-26 17:48:11,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 790 transitions, 20822 flow [2021-03-26 17:48:11,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:48:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:48:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 606 transitions. [2021-03-26 17:48:11,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.255050505050505 [2021-03-26 17:48:11,734 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 606 transitions. [2021-03-26 17:48:11,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 606 transitions. [2021-03-26 17:48:11,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:11,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 606 transitions. [2021-03-26 17:48:11,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.666666666666664) internal successors, (606), 18 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) [2021-03-26 17:48:11,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:11,736 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:11,736 INFO L185 Difference]: Start difference. First operand has 566 places, 732 transitions, 17392 flow. Second operand 18 states and 606 transitions. [2021-03-26 17:48:11,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 790 transitions, 20822 flow [2021-03-26 17:48:12,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 790 transitions, 20267 flow, removed 6 selfloop flow, removed 17 redundant places. [2021-03-26 17:48:12,433 INFO L241 Difference]: Finished difference. Result has 571 places, 769 transitions, 18864 flow [2021-03-26 17:48:12,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=16897, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=18864, PETRI_PLACES=571, PETRI_TRANSITIONS=769} [2021-03-26 17:48:12,433 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 532 predicate places. [2021-03-26 17:48:12,433 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:12,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 571 places, 769 transitions, 18864 flow [2021-03-26 17:48:12,433 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 571 places, 769 transitions, 18864 flow [2021-03-26 17:48:12,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 571 places, 769 transitions, 18864 flow [2021-03-26 17:48:12,727 INFO L129 PetriNetUnfolder]: 663/1468 cut-off events. [2021-03-26 17:48:12,727 INFO L130 PetriNetUnfolder]: For 108311/108576 co-relation queries the response was YES. [2021-03-26 17:48:12,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22175 conditions, 1468 events. 663/1468 cut-off events. For 108311/108576 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 10784 event pairs, 36 based on Foata normal form. 44/1486 useless extension candidates. Maximal degree in co-relation 21937. Up to 516 conditions per place. [2021-03-26 17:48:12,759 INFO L142 LiptonReduction]: Number of co-enabled transitions 632 [2021-03-26 17:48:12,815 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:12,815 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:12,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-26 17:48:12,816 INFO L480 AbstractCegarLoop]: Abstraction has has 571 places, 769 transitions, 18864 flow [2021-03-26 17:48:12,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:12,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:12,816 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:12,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-03-26 17:48:12,816 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:12,816 INFO L82 PathProgramCache]: Analyzing trace with hash -985140839, now seen corresponding path program 8 times [2021-03-26 17:48:12,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:12,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295711387] [2021-03-26 17:48:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:12,825 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:12,832 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:12,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:12,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:12,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:12,855 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:12,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:12,874 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:12,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:12,893 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:48:12,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:12,912 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:12,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:12,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:12,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:12,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:12,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:12,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295711387] [2021-03-26 17:48:12,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:12,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:12,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970212279] [2021-03-26 17:48:12,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:12,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:12,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:12,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:12,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:12,943 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 769 transitions, 18864 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:12,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:12,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:12,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:14,021 INFO L129 PetriNetUnfolder]: 872/1785 cut-off events. [2021-03-26 17:48:14,021 INFO L130 PetriNetUnfolder]: For 125349/125370 co-relation queries the response was YES. [2021-03-26 17:48:14,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27818 conditions, 1785 events. 872/1785 cut-off events. For 125349/125370 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 12374 event pairs, 145 based on Foata normal form. 18/1802 useless extension candidates. Maximal degree in co-relation 27576. Up to 1365 conditions per place. [2021-03-26 17:48:14,054 INFO L132 encePairwiseOnDemand]: 98/132 looper letters, 533 selfloop transitions, 235 changer transitions 6/782 dead transitions. [2021-03-26 17:48:14,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 782 transitions, 20668 flow [2021-03-26 17:48:14,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:48:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:48:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 588 transitions. [2021-03-26 17:48:14,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2474747474747475 [2021-03-26 17:48:14,055 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 588 transitions. [2021-03-26 17:48:14,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 588 transitions. [2021-03-26 17:48:14,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:14,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 588 transitions. [2021-03-26 17:48:14,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.666666666666664) internal successors, (588), 18 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:14,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:14,057 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:14,057 INFO L185 Difference]: Start difference. First operand has 571 places, 769 transitions, 18864 flow. Second operand 18 states and 588 transitions. [2021-03-26 17:48:14,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 782 transitions, 20668 flow [2021-03-26 17:48:14,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 782 transitions, 19809 flow, removed 303 selfloop flow, removed 10 redundant places. [2021-03-26 17:48:14,732 INFO L241 Difference]: Finished difference. Result has 580 places, 764 transitions, 18416 flow [2021-03-26 17:48:14,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=18005, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=769, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=18416, PETRI_PLACES=580, PETRI_TRANSITIONS=764} [2021-03-26 17:48:14,732 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 541 predicate places. [2021-03-26 17:48:14,732 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:14,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 580 places, 764 transitions, 18416 flow [2021-03-26 17:48:14,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 580 places, 764 transitions, 18416 flow [2021-03-26 17:48:14,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 574 places, 764 transitions, 18416 flow [2021-03-26 17:48:14,992 INFO L129 PetriNetUnfolder]: 658/1461 cut-off events. [2021-03-26 17:48:14,992 INFO L130 PetriNetUnfolder]: For 95816/96152 co-relation queries the response was YES. [2021-03-26 17:48:15,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21725 conditions, 1461 events. 658/1461 cut-off events. For 95816/96152 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 10709 event pairs, 32 based on Foata normal form. 51/1487 useless extension candidates. Maximal degree in co-relation 21496. Up to 483 conditions per place. [2021-03-26 17:48:15,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-26 17:48:15,084 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:15,084 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:15,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 352 [2021-03-26 17:48:15,085 INFO L480 AbstractCegarLoop]: Abstraction has has 574 places, 764 transitions, 18416 flow [2021-03-26 17:48:15,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:15,085 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:15,085 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:15,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-03-26 17:48:15,085 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:15,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1905338869, now seen corresponding path program 3 times [2021-03-26 17:48:15,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:15,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411656715] [2021-03-26 17:48:15,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:15,092 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:15,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:15,096 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:15,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:15,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:15,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:15,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:15,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:15,119 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:15,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:15,138 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:15,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:15,157 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:15,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:15,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:15,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:15,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:15,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:15,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411656715] [2021-03-26 17:48:15,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:15,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:15,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710633789] [2021-03-26 17:48:15,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:15,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:15,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:15,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:15,201 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:15,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 764 transitions, 18416 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:15,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:15,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:15,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:16,286 INFO L129 PetriNetUnfolder]: 869/1776 cut-off events. [2021-03-26 17:48:16,286 INFO L130 PetriNetUnfolder]: For 119034/119046 co-relation queries the response was YES. [2021-03-26 17:48:16,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27468 conditions, 1776 events. 869/1776 cut-off events. For 119034/119046 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 12288 event pairs, 157 based on Foata normal form. 10/1784 useless extension candidates. Maximal degree in co-relation 27237. Up to 1314 conditions per place. [2021-03-26 17:48:16,320 INFO L132 encePairwiseOnDemand]: 97/132 looper letters, 512 selfloop transitions, 273 changer transitions 10/803 dead transitions. [2021-03-26 17:48:16,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 803 transitions, 21104 flow [2021-03-26 17:48:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:48:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:48:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 631 transitions. [2021-03-26 17:48:16,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2515948963317384 [2021-03-26 17:48:16,322 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 631 transitions. [2021-03-26 17:48:16,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 631 transitions. [2021-03-26 17:48:16,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:16,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 631 transitions. [2021-03-26 17:48:16,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.21052631578947) internal successors, (631), 19 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:16,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 132.0) internal successors, (2640), 20 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:16,324 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 132.0) internal successors, (2640), 20 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:16,324 INFO L185 Difference]: Start difference. First operand has 574 places, 764 transitions, 18416 flow. Second operand 19 states and 631 transitions. [2021-03-26 17:48:16,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 803 transitions, 21104 flow [2021-03-26 17:48:16,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 803 transitions, 20617 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-26 17:48:16,969 INFO L241 Difference]: Finished difference. Result has 578 places, 778 transitions, 18928 flow [2021-03-26 17:48:16,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17981, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=764, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=18928, PETRI_PLACES=578, PETRI_TRANSITIONS=778} [2021-03-26 17:48:16,970 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 539 predicate places. [2021-03-26 17:48:16,970 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:16,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 578 places, 778 transitions, 18928 flow [2021-03-26 17:48:16,970 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 578 places, 778 transitions, 18928 flow [2021-03-26 17:48:16,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 578 places, 778 transitions, 18928 flow [2021-03-26 17:48:17,280 INFO L129 PetriNetUnfolder]: 658/1457 cut-off events. [2021-03-26 17:48:17,280 INFO L130 PetriNetUnfolder]: For 97294/97542 co-relation queries the response was YES. [2021-03-26 17:48:17,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21656 conditions, 1457 events. 658/1457 cut-off events. For 97294/97542 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 10732 event pairs, 52 based on Foata normal form. 29/1458 useless extension candidates. Maximal degree in co-relation 21411. Up to 479 conditions per place. [2021-03-26 17:48:17,317 INFO L142 LiptonReduction]: Number of co-enabled transitions 622 [2021-03-26 17:48:17,382 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:17,382 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:17,382 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 412 [2021-03-26 17:48:17,382 INFO L480 AbstractCegarLoop]: Abstraction has has 578 places, 778 transitions, 18928 flow [2021-03-26 17:48:17,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:17,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:17,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:17,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-03-26 17:48:17,382 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:17,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:17,383 INFO L82 PathProgramCache]: Analyzing trace with hash -942458598, now seen corresponding path program 5 times [2021-03-26 17:48:17,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:17,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109960300] [2021-03-26 17:48:17,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:17,390 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:17,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:17,395 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:17,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:17,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:17,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:17,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:17,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:17,423 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:17,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:17,445 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:17,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:17,466 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:17,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:17,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:17,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:17,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:17,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:17,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:17,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:17,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109960300] [2021-03-26 17:48:17,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:17,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:17,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203844773] [2021-03-26 17:48:17,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:17,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:17,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:17,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:17,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:17,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 778 transitions, 18928 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:17,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:17,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:17,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:18,607 INFO L129 PetriNetUnfolder]: 879/1806 cut-off events. [2021-03-26 17:48:18,607 INFO L130 PetriNetUnfolder]: For 125685/125713 co-relation queries the response was YES. [2021-03-26 17:48:18,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28095 conditions, 1806 events. 879/1806 cut-off events. For 125685/125713 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12591 event pairs, 172 based on Foata normal form. 21/1826 useless extension candidates. Maximal degree in co-relation 27835. Up to 1534 conditions per place. [2021-03-26 17:48:18,638 INFO L132 encePairwiseOnDemand]: 112/132 looper letters, 703 selfloop transitions, 123 changer transitions 7/841 dead transitions. [2021-03-26 17:48:18,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 841 transitions, 22581 flow [2021-03-26 17:48:18,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:48:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:48:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 565 transitions. [2021-03-26 17:48:18,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2517825311942959 [2021-03-26 17:48:18,639 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 565 transitions. [2021-03-26 17:48:18,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 565 transitions. [2021-03-26 17:48:18,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:18,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 565 transitions. [2021-03-26 17:48:18,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.23529411764706) internal successors, (565), 17 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:18,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 132.0) internal successors, (2376), 18 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:18,640 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 132.0) internal successors, (2376), 18 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:18,640 INFO L185 Difference]: Start difference. First operand has 578 places, 778 transitions, 18928 flow. Second operand 17 states and 565 transitions. [2021-03-26 17:48:18,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 841 transitions, 22581 flow [2021-03-26 17:48:19,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 841 transitions, 22103 flow, removed 25 selfloop flow, removed 17 redundant places. [2021-03-26 17:48:19,295 INFO L241 Difference]: Finished difference. Result has 585 places, 810 transitions, 19976 flow [2021-03-26 17:48:19,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=18485, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=19976, PETRI_PLACES=585, PETRI_TRANSITIONS=810} [2021-03-26 17:48:19,295 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 546 predicate places. [2021-03-26 17:48:19,295 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:19,296 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 585 places, 810 transitions, 19976 flow [2021-03-26 17:48:19,296 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 585 places, 810 transitions, 19976 flow [2021-03-26 17:48:19,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 585 places, 810 transitions, 19976 flow [2021-03-26 17:48:19,671 INFO L129 PetriNetUnfolder]: 660/1471 cut-off events. [2021-03-26 17:48:19,671 INFO L130 PetriNetUnfolder]: For 109219/109404 co-relation queries the response was YES. [2021-03-26 17:48:19,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22103 conditions, 1471 events. 660/1471 cut-off events. For 109219/109404 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 10864 event pairs, 32 based on Foata normal form. 33/1482 useless extension candidates. Maximal degree in co-relation 21852. Up to 485 conditions per place. [2021-03-26 17:48:19,704 INFO L142 LiptonReduction]: Number of co-enabled transitions 642 [2021-03-26 17:48:19,774 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:19,774 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:19,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-03-26 17:48:19,774 INFO L480 AbstractCegarLoop]: Abstraction has has 585 places, 810 transitions, 19976 flow [2021-03-26 17:48:19,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:19,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:19,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:19,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-26 17:48:19,775 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:19,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:19,775 INFO L82 PathProgramCache]: Analyzing trace with hash 795371769, now seen corresponding path program 9 times [2021-03-26 17:48:19,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:19,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110371883] [2021-03-26 17:48:19,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:19,782 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:19,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:19,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:19,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:19,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:19,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:19,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:19,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:19,813 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:19,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:19,839 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:19,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:19,860 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:19,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:19,881 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:19,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:19,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:19,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:19,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:19,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:19,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110371883] [2021-03-26 17:48:19,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:19,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:19,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97787996] [2021-03-26 17:48:19,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:19,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:19,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:19,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:19,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:19,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 810 transitions, 19976 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:19,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:19,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:19,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:20,937 INFO L129 PetriNetUnfolder]: 870/1782 cut-off events. [2021-03-26 17:48:20,937 INFO L130 PetriNetUnfolder]: For 128725/128746 co-relation queries the response was YES. [2021-03-26 17:48:20,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27892 conditions, 1782 events. 870/1782 cut-off events. For 128725/128746 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 12331 event pairs, 170 based on Foata normal form. 14/1795 useless extension candidates. Maximal degree in co-relation 27626. Up to 1558 conditions per place. [2021-03-26 17:48:20,971 INFO L132 encePairwiseOnDemand]: 113/132 looper letters, 719 selfloop transitions, 101 changer transitions 3/831 dead transitions. [2021-03-26 17:48:20,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 831 transitions, 22241 flow [2021-03-26 17:48:20,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:48:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:48:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 499 transitions. [2021-03-26 17:48:20,973 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25202020202020203 [2021-03-26 17:48:20,973 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 499 transitions. [2021-03-26 17:48:20,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 499 transitions. [2021-03-26 17:48:20,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:20,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 499 transitions. [2021-03-26 17:48:20,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.266666666666666) internal successors, (499), 15 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:20,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:20,974 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:20,974 INFO L185 Difference]: Start difference. First operand has 585 places, 810 transitions, 19976 flow. Second operand 15 states and 499 transitions. [2021-03-26 17:48:20,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 831 transitions, 22241 flow [2021-03-26 17:48:21,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 592 places, 831 transitions, 21665 flow, removed 240 selfloop flow, removed 7 redundant places. [2021-03-26 17:48:21,722 INFO L241 Difference]: Finished difference. Result has 594 places, 808 transitions, 19570 flow [2021-03-26 17:48:21,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=19400, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=810, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=19570, PETRI_PLACES=594, PETRI_TRANSITIONS=808} [2021-03-26 17:48:21,722 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 555 predicate places. [2021-03-26 17:48:21,722 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:21,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 594 places, 808 transitions, 19570 flow [2021-03-26 17:48:21,722 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 594 places, 808 transitions, 19570 flow [2021-03-26 17:48:21,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 591 places, 808 transitions, 19570 flow [2021-03-26 17:48:22,001 INFO L129 PetriNetUnfolder]: 662/1473 cut-off events. [2021-03-26 17:48:22,001 INFO L130 PetriNetUnfolder]: For 101915/102118 co-relation queries the response was YES. [2021-03-26 17:48:22,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21887 conditions, 1473 events. 662/1473 cut-off events. For 101915/102118 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 10847 event pairs, 33 based on Foata normal form. 33/1483 useless extension candidates. Maximal degree in co-relation 21652. Up to 472 conditions per place. [2021-03-26 17:48:22,035 INFO L142 LiptonReduction]: Number of co-enabled transitions 640 [2021-03-26 17:48:22,092 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:22,092 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:22,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-03-26 17:48:22,092 INFO L480 AbstractCegarLoop]: Abstraction has has 591 places, 808 transitions, 19570 flow [2021-03-26 17:48:22,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:22,092 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:22,092 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] [2021-03-26 17:48:22,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-26 17:48:22,092 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:22,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:22,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1172155488, now seen corresponding path program 3 times [2021-03-26 17:48:22,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:22,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014257848] [2021-03-26 17:48:22,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:22,099 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:22,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:22,103 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:22,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:22,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:22,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:22,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:22,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:22,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:22,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:48:22,135 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:48:22,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:22,177 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:48:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:22,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:22,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:48:22,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:22,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:48:22,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:22,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:48:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:22,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014257848] [2021-03-26 17:48:22,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:22,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:48:22,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871802180] [2021-03-26 17:48:22,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:48:22,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:22,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:48:22,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:48:22,227 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:22,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 808 transitions, 19570 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:22,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:22,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:22,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:23,201 INFO L129 PetriNetUnfolder]: 885/1817 cut-off events. [2021-03-26 17:48:23,201 INFO L130 PetriNetUnfolder]: For 131974/131995 co-relation queries the response was YES. [2021-03-26 17:48:23,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28525 conditions, 1817 events. 885/1817 cut-off events. For 131974/131995 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12655 event pairs, 151 based on Foata normal form. 18/1834 useless extension candidates. Maximal degree in co-relation 28288. Up to 1593 conditions per place. [2021-03-26 17:48:23,236 INFO L132 encePairwiseOnDemand]: 115/132 looper letters, 754 selfloop transitions, 82 changer transitions 3/847 dead transitions. [2021-03-26 17:48:23,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 847 transitions, 22670 flow [2021-03-26 17:48:23,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:48:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:48:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 490 transitions. [2021-03-26 17:48:23,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2474747474747475 [2021-03-26 17:48:23,237 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 490 transitions. [2021-03-26 17:48:23,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 490 transitions. [2021-03-26 17:48:23,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:23,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 490 transitions. [2021-03-26 17:48:23,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.666666666666664) internal successors, (490), 15 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:23,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:23,238 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 132.0) internal successors, (2112), 16 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:23,238 INFO L185 Difference]: Start difference. First operand has 591 places, 808 transitions, 19570 flow. Second operand 15 states and 490 transitions. [2021-03-26 17:48:23,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 847 transitions, 22670 flow [2021-03-26 17:48:23,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 847 transitions, 22507 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-03-26 17:48:24,000 INFO L241 Difference]: Finished difference. Result has 598 places, 827 transitions, 20609 flow [2021-03-26 17:48:24,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=19407, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=808, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=733, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=20609, PETRI_PLACES=598, PETRI_TRANSITIONS=827} [2021-03-26 17:48:24,001 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 559 predicate places. [2021-03-26 17:48:24,001 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:24,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 598 places, 827 transitions, 20609 flow [2021-03-26 17:48:24,001 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 598 places, 827 transitions, 20609 flow [2021-03-26 17:48:24,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 597 places, 827 transitions, 20609 flow [2021-03-26 17:48:24,288 INFO L129 PetriNetUnfolder]: 676/1503 cut-off events. [2021-03-26 17:48:24,288 INFO L130 PetriNetUnfolder]: For 117741/118014 co-relation queries the response was YES. [2021-03-26 17:48:24,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22805 conditions, 1503 events. 676/1503 cut-off events. For 117741/118014 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 11136 event pairs, 41 based on Foata normal form. 33/1513 useless extension candidates. Maximal degree in co-relation 22550. Up to 486 conditions per place. [2021-03-26 17:48:24,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-26 17:48:24,398 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:24,398 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:24,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-03-26 17:48:24,399 INFO L480 AbstractCegarLoop]: Abstraction has has 597 places, 827 transitions, 20609 flow [2021-03-26 17:48:24,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:24,399 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:24,399 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] [2021-03-26 17:48:24,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-03-26 17:48:24,399 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:24,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:24,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1894770373, now seen corresponding path program 1 times [2021-03-26 17:48:24,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:24,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497059870] [2021-03-26 17:48:24,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:24,407 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:24,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:24,411 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:24,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:24,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:24,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:24,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:24,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:24,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:24,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:24,444 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:48:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:48:24,447 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:48:24,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:24,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:24,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:48:24,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:24,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:48:24,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:24,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:48:24,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:24,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:24,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497059870] [2021-03-26 17:48:24,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:24,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:48:24,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248028116] [2021-03-26 17:48:24,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:48:24,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:24,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:48:24,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:48:24,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:24,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 597 places, 827 transitions, 20609 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:24,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:24,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:24,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:25,512 INFO L129 PetriNetUnfolder]: 889/1829 cut-off events. [2021-03-26 17:48:25,512 INFO L130 PetriNetUnfolder]: For 138619/138647 co-relation queries the response was YES. [2021-03-26 17:48:25,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28982 conditions, 1829 events. 889/1829 cut-off events. For 138619/138647 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 12824 event pairs, 127 based on Foata normal form. 25/1853 useless extension candidates. Maximal degree in co-relation 28712. Up to 1414 conditions per place. [2021-03-26 17:48:25,549 INFO L132 encePairwiseOnDemand]: 98/132 looper letters, 554 selfloop transitions, 285 changer transitions 5/852 dead transitions. [2021-03-26 17:48:25,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 852 transitions, 22881 flow [2021-03-26 17:48:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:48:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:48:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 477 transitions. [2021-03-26 17:48:25,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25811688311688313 [2021-03-26 17:48:25,550 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 477 transitions. [2021-03-26 17:48:25,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 477 transitions. [2021-03-26 17:48:25,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:25,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 477 transitions. [2021-03-26 17:48:25,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.07142857142857) internal successors, (477), 14 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:25,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:25,551 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 132.0) internal successors, (1980), 15 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:25,551 INFO L185 Difference]: Start difference. First operand has 597 places, 827 transitions, 20609 flow. Second operand 14 states and 477 transitions. [2021-03-26 17:48:25,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 852 transitions, 22881 flow [2021-03-26 17:48:26,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 852 transitions, 21993 flow, removed 405 selfloop flow, removed 7 redundant places. [2021-03-26 17:48:26,411 INFO L241 Difference]: Finished difference. Result has 608 places, 834 transitions, 20718 flow [2021-03-26 17:48:26,411 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=19767, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20718, PETRI_PLACES=608, PETRI_TRANSITIONS=834} [2021-03-26 17:48:26,412 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 569 predicate places. [2021-03-26 17:48:26,412 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:26,412 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 608 places, 834 transitions, 20718 flow [2021-03-26 17:48:26,412 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 608 places, 834 transitions, 20718 flow [2021-03-26 17:48:26,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 607 places, 834 transitions, 20718 flow [2021-03-26 17:48:26,748 INFO L129 PetriNetUnfolder]: 678/1516 cut-off events. [2021-03-26 17:48:26,748 INFO L130 PetriNetUnfolder]: For 114105/114408 co-relation queries the response was YES. [2021-03-26 17:48:26,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23052 conditions, 1516 events. 678/1516 cut-off events. For 114105/114408 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 11374 event pairs, 38 based on Foata normal form. 50/1545 useless extension candidates. Maximal degree in co-relation 22790. Up to 475 conditions per place. [2021-03-26 17:48:26,789 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-26 17:48:26,864 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:26,865 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:26,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-03-26 17:48:26,865 INFO L480 AbstractCegarLoop]: Abstraction has has 607 places, 834 transitions, 20718 flow [2021-03-26 17:48:26,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:26,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:26,865 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] [2021-03-26 17:48:26,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-03-26 17:48:26,865 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:26,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:26,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1060045485, now seen corresponding path program 1 times [2021-03-26 17:48:26,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:26,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194915368] [2021-03-26 17:48:26,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:26,873 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:26,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:26,877 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:26,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:26,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:26,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:26,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:26,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:26,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:26,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:26,911 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:48:26,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:48:26,934 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:48:26,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:48:26,959 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:48:26,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:48:26,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:26,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:26,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:48:27,012 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:48:27,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:48:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:27,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194915368] [2021-03-26 17:48:27,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:27,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:48:27,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657482800] [2021-03-26 17:48:27,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:48:27,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:27,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:48:27,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:48:27,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 132 [2021-03-26 17:48:27,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 834 transitions, 20718 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:27,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:27,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 132 [2021-03-26 17:48:27,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:28,206 INFO L129 PetriNetUnfolder]: 900/1858 cut-off events. [2021-03-26 17:48:28,207 INFO L130 PetriNetUnfolder]: For 135156/135177 co-relation queries the response was YES. [2021-03-26 17:48:28,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29722 conditions, 1858 events. 900/1858 cut-off events. For 135156/135177 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13159 event pairs, 140 based on Foata normal form. 18/1875 useless extension candidates. Maximal degree in co-relation 29447. Up to 1625 conditions per place. [2021-03-26 17:48:28,241 INFO L132 encePairwiseOnDemand]: 114/132 looper letters, 771 selfloop transitions, 85 changer transitions 3/867 dead transitions. [2021-03-26 17:48:28,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 867 transitions, 23369 flow [2021-03-26 17:48:28,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:48:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:48:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 516 transitions. [2021-03-26 17:48:28,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24431818181818182 [2021-03-26 17:48:28,243 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 516 transitions. [2021-03-26 17:48:28,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 516 transitions. [2021-03-26 17:48:28,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:28,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 516 transitions. [2021-03-26 17:48:28,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.25) internal successors, (516), 16 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:28,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 132.0) internal successors, (2244), 17 states have internal predecessors, (2244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:28,244 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 132.0) internal successors, (2244), 17 states have internal predecessors, (2244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:28,244 INFO L185 Difference]: Start difference. First operand has 607 places, 834 transitions, 20718 flow. Second operand 16 states and 516 transitions. [2021-03-26 17:48:28,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 622 places, 867 transitions, 23369 flow [2021-03-26 17:48:29,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 867 transitions, 22851 flow, removed 43 selfloop flow, removed 10 redundant places. [2021-03-26 17:48:29,176 INFO L241 Difference]: Finished difference. Result has 615 places, 852 transitions, 21047 flow [2021-03-26 17:48:29,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=20206, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=760, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21047, PETRI_PLACES=615, PETRI_TRANSITIONS=852} [2021-03-26 17:48:29,176 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 576 predicate places. [2021-03-26 17:48:29,176 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:29,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 852 transitions, 21047 flow [2021-03-26 17:48:29,177 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 852 transitions, 21047 flow [2021-03-26 17:48:29,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 613 places, 852 transitions, 21047 flow [2021-03-26 17:48:29,478 INFO L129 PetriNetUnfolder]: 689/1536 cut-off events. [2021-03-26 17:48:29,478 INFO L130 PetriNetUnfolder]: For 117817/118108 co-relation queries the response was YES. [2021-03-26 17:48:29,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23584 conditions, 1536 events. 689/1536 cut-off events. For 117817/118108 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 11445 event pairs, 40 based on Foata normal form. 44/1561 useless extension candidates. Maximal degree in co-relation 23340. Up to 480 conditions per place. [2021-03-26 17:48:29,517 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-26 17:48:29,723 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 17:48:29,724 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:48:29,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 548 [2021-03-26 17:48:29,724 INFO L480 AbstractCegarLoop]: Abstraction has has 613 places, 852 transitions, 21078 flow [2021-03-26 17:48:29,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:29,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:29,724 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] [2021-03-26 17:48:29,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-26 17:48:29,724 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:29,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:29,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1038605395, now seen corresponding path program 2 times [2021-03-26 17:48:29,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:29,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376952428] [2021-03-26 17:48:29,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:29,731 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:29,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:29,735 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:29,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:29,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:29,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:29,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:29,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:29,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:29,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:29,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:29,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:29,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:29,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:29,792 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:48:29,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:48:29,818 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:48:29,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:48:29,845 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 17:48:29,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:48:29,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:48:29,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:48:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:29,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376952428] [2021-03-26 17:48:29,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:29,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:48:29,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146039449] [2021-03-26 17:48:29,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:48:29,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:29,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:48:29,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:48:29,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 133 [2021-03-26 17:48:29,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 613 places, 852 transitions, 21078 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:29,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:29,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 133 [2021-03-26 17:48:29,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:31,161 INFO L129 PetriNetUnfolder]: 901/1859 cut-off events. [2021-03-26 17:48:31,161 INFO L130 PetriNetUnfolder]: For 140422/140443 co-relation queries the response was YES. [2021-03-26 17:48:31,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29763 conditions, 1859 events. 901/1859 cut-off events. For 140422/140443 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 13173 event pairs, 124 based on Foata normal form. 18/1876 useless extension candidates. Maximal degree in co-relation 29517. Up to 1560 conditions per place. [2021-03-26 17:48:31,194 INFO L132 encePairwiseOnDemand]: 107/133 looper letters, 669 selfloop transitions, 188 changer transitions 2/867 dead transitions. [2021-03-26 17:48:31,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 867 transitions, 23240 flow [2021-03-26 17:48:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:48:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:48:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 555 transitions. [2021-03-26 17:48:31,196 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24546660769570985 [2021-03-26 17:48:31,196 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 555 transitions. [2021-03-26 17:48:31,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 555 transitions. [2021-03-26 17:48:31,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:31,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 555 transitions. [2021-03-26 17:48:31,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.64705882352941) internal successors, (555), 17 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) [2021-03-26 17:48:31,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 133.0) internal successors, (2394), 18 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:31,197 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 133.0) internal successors, (2394), 18 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:31,197 INFO L185 Difference]: Start difference. First operand has 613 places, 852 transitions, 21078 flow. Second operand 17 states and 555 transitions. [2021-03-26 17:48:31,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 867 transitions, 23240 flow [2021-03-26 17:48:32,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 867 transitions, 22912 flow, removed 120 selfloop flow, removed 9 redundant places. [2021-03-26 17:48:32,120 INFO L241 Difference]: Finished difference. Result has 623 places, 855 transitions, 21359 flow [2021-03-26 17:48:32,120 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=20752, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=852, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=21359, PETRI_PLACES=623, PETRI_TRANSITIONS=855} [2021-03-26 17:48:32,120 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 584 predicate places. [2021-03-26 17:48:32,120 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:32,120 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 623 places, 855 transitions, 21359 flow [2021-03-26 17:48:32,121 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 623 places, 855 transitions, 21359 flow [2021-03-26 17:48:32,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 855 transitions, 21359 flow [2021-03-26 17:48:32,506 INFO L129 PetriNetUnfolder]: 687/1544 cut-off events. [2021-03-26 17:48:32,506 INFO L130 PetriNetUnfolder]: For 116882/117179 co-relation queries the response was YES. [2021-03-26 17:48:32,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23889 conditions, 1544 events. 687/1544 cut-off events. For 116882/117179 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 11586 event pairs, 32 based on Foata normal form. 36/1561 useless extension candidates. Maximal degree in co-relation 23624. Up to 477 conditions per place. [2021-03-26 17:48:32,544 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-26 17:48:32,755 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:32,755 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:48:32,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 635 [2021-03-26 17:48:32,755 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 855 transitions, 21363 flow [2021-03-26 17:48:32,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:32,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:32,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:32,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-03-26 17:48:32,756 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:32,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:32,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1169645359, now seen corresponding path program 1 times [2021-03-26 17:48:32,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:32,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710268452] [2021-03-26 17:48:32,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:32,762 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:32,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:32,766 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:32,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:32,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:32,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:32,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:32,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:32,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:32,799 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:32,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:32,819 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:32,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:32,840 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:32,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:32,860 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:32,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:32,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:32,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:32,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710268452] [2021-03-26 17:48:32,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:32,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:48:32,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181002272] [2021-03-26 17:48:32,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:48:32,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:32,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:48:32,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:48:32,868 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 134 [2021-03-26 17:48:32,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 855 transitions, 21363 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:32,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:32,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 134 [2021-03-26 17:48:32,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:34,047 INFO L129 PetriNetUnfolder]: 903/1861 cut-off events. [2021-03-26 17:48:34,047 INFO L130 PetriNetUnfolder]: For 142519/142540 co-relation queries the response was YES. [2021-03-26 17:48:34,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30058 conditions, 1861 events. 903/1861 cut-off events. For 142519/142540 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 13116 event pairs, 164 based on Foata normal form. 18/1878 useless extension candidates. Maximal degree in co-relation 29779. Up to 1635 conditions per place. [2021-03-26 17:48:34,077 INFO L132 encePairwiseOnDemand]: 115/134 looper letters, 782 selfloop transitions, 80 changer transitions 2/872 dead transitions. [2021-03-26 17:48:34,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 872 transitions, 23572 flow [2021-03-26 17:48:34,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:48:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:48:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 462 transitions. [2021-03-26 17:48:34,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2462686567164179 [2021-03-26 17:48:34,078 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 462 transitions. [2021-03-26 17:48:34,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 462 transitions. [2021-03-26 17:48:34,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:34,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 462 transitions. [2021-03-26 17:48:34,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:34,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 134.0) internal successors, (2010), 15 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:34,080 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 134.0) internal successors, (2010), 15 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:34,080 INFO L185 Difference]: Start difference. First operand has 622 places, 855 transitions, 21363 flow. Second operand 14 states and 462 transitions. [2021-03-26 17:48:34,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 872 transitions, 23572 flow [2021-03-26 17:48:34,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 626 places, 872 transitions, 23365 flow, removed 35 selfloop flow, removed 9 redundant places. [2021-03-26 17:48:34,884 INFO L241 Difference]: Finished difference. Result has 631 places, 860 transitions, 21597 flow [2021-03-26 17:48:34,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=21156, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=776, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21597, PETRI_PLACES=631, PETRI_TRANSITIONS=860} [2021-03-26 17:48:34,885 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 592 predicate places. [2021-03-26 17:48:34,885 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:34,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 631 places, 860 transitions, 21597 flow [2021-03-26 17:48:34,885 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 631 places, 860 transitions, 21597 flow [2021-03-26 17:48:34,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 630 places, 860 transitions, 21597 flow [2021-03-26 17:48:35,199 INFO L129 PetriNetUnfolder]: 687/1546 cut-off events. [2021-03-26 17:48:35,199 INFO L130 PetriNetUnfolder]: For 120002/120325 co-relation queries the response was YES. [2021-03-26 17:48:35,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23980 conditions, 1546 events. 687/1546 cut-off events. For 120002/120325 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 11639 event pairs, 30 based on Foata normal form. 29/1555 useless extension candidates. Maximal degree in co-relation 23710. Up to 478 conditions per place. [2021-03-26 17:48:35,238 INFO L142 LiptonReduction]: Number of co-enabled transitions 662 [2021-03-26 17:48:35,452 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 17:48:35,452 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:48:35,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 567 [2021-03-26 17:48:35,452 INFO L480 AbstractCegarLoop]: Abstraction has has 630 places, 860 transitions, 21608 flow [2021-03-26 17:48:35,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:35,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:35,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:35,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-26 17:48:35,453 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:35,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:35,453 INFO L82 PathProgramCache]: Analyzing trace with hash 141361566, now seen corresponding path program 1 times [2021-03-26 17:48:35,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:35,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690204629] [2021-03-26 17:48:35,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:35,459 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:35,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:35,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:35,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:35,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:35,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:35,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:35,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:35,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:35,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:35,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:35,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:35,508 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:48:35,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:48:35,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:35,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:35,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:35,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:48:35,556 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:48:35,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:48:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:35,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690204629] [2021-03-26 17:48:35,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:35,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:35,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172469486] [2021-03-26 17:48:35,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:35,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:35,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:35,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:35,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 135 [2021-03-26 17:48:35,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 860 transitions, 21608 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:35,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:35,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 135 [2021-03-26 17:48:35,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:36,630 INFO L129 PetriNetUnfolder]: 902/1866 cut-off events. [2021-03-26 17:48:36,630 INFO L130 PetriNetUnfolder]: For 139560/139564 co-relation queries the response was YES. [2021-03-26 17:48:36,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30266 conditions, 1866 events. 902/1866 cut-off events. For 139560/139564 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 13258 event pairs, 134 based on Foata normal form. 5/1870 useless extension candidates. Maximal degree in co-relation 29982. Up to 1690 conditions per place. [2021-03-26 17:48:36,668 INFO L132 encePairwiseOnDemand]: 121/135 looper letters, 821 selfloop transitions, 39 changer transitions 3/871 dead transitions. [2021-03-26 17:48:36,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 871 transitions, 23712 flow [2021-03-26 17:48:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:48:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:48:36,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 418 transitions. [2021-03-26 17:48:36,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23817663817663817 [2021-03-26 17:48:36,669 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 418 transitions. [2021-03-26 17:48:36,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 418 transitions. [2021-03-26 17:48:36,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:36,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 418 transitions. [2021-03-26 17:48:36,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.15384615384615) internal successors, (418), 13 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:36,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:36,670 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:36,670 INFO L185 Difference]: Start difference. First operand has 630 places, 860 transitions, 21608 flow. Second operand 13 states and 418 transitions. [2021-03-26 17:48:36,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 871 transitions, 23712 flow [2021-03-26 17:48:37,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 871 transitions, 23391 flow, removed 86 selfloop flow, removed 10 redundant places. [2021-03-26 17:48:37,678 INFO L241 Difference]: Finished difference. Result has 635 places, 860 transitions, 21443 flow [2021-03-26 17:48:37,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=21289, PETRI_DIFFERENCE_MINUEND_PLACES=620, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21443, PETRI_PLACES=635, PETRI_TRANSITIONS=860} [2021-03-26 17:48:37,679 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 596 predicate places. [2021-03-26 17:48:37,679 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:37,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 860 transitions, 21443 flow [2021-03-26 17:48:37,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 860 transitions, 21443 flow [2021-03-26 17:48:37,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 633 places, 860 transitions, 21443 flow [2021-03-26 17:48:38,045 INFO L129 PetriNetUnfolder]: 691/1550 cut-off events. [2021-03-26 17:48:38,045 INFO L130 PetriNetUnfolder]: For 124917/125118 co-relation queries the response was YES. [2021-03-26 17:48:38,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23998 conditions, 1550 events. 691/1550 cut-off events. For 124917/125118 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 11634 event pairs, 45 based on Foata normal form. 20/1547 useless extension candidates. Maximal degree in co-relation 23746. Up to 474 conditions per place. [2021-03-26 17:48:38,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 662 [2021-03-26 17:48:38,313 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 17:48:38,313 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:48:38,313 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 634 [2021-03-26 17:48:38,314 INFO L480 AbstractCegarLoop]: Abstraction has has 633 places, 860 transitions, 21448 flow [2021-03-26 17:48:38,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:38,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:38,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:38,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-26 17:48:38,314 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:38,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:38,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1640183143, now seen corresponding path program 1 times [2021-03-26 17:48:38,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:38,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043609520] [2021-03-26 17:48:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:38,332 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:38,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:38,338 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:38,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:38,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:38,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:38,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:38,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:38,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:38,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:38,376 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:48:38,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:48:38,401 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:48:38,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:48:38,426 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:48:38,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:48:38,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:38,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:48:38,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:48:38,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:48:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:38,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043609520] [2021-03-26 17:48:38,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:38,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:38,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748383176] [2021-03-26 17:48:38,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:38,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:38,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:38,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:38,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:38,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 633 places, 860 transitions, 21448 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:38,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:38,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:38,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:39,705 INFO L129 PetriNetUnfolder]: 902/1865 cut-off events. [2021-03-26 17:48:39,705 INFO L130 PetriNetUnfolder]: For 149457/149485 co-relation queries the response was YES. [2021-03-26 17:48:39,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30317 conditions, 1865 events. 902/1865 cut-off events. For 149457/149485 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 13243 event pairs, 150 based on Foata normal form. 25/1889 useless extension candidates. Maximal degree in co-relation 30063. Up to 1612 conditions per place. [2021-03-26 17:48:39,743 INFO L132 encePairwiseOnDemand]: 110/136 looper letters, 743 selfloop transitions, 119 changer transitions 5/875 dead transitions. [2021-03-26 17:48:39,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 875 transitions, 23599 flow [2021-03-26 17:48:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:48:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:48:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 524 transitions. [2021-03-26 17:48:39,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24080882352941177 [2021-03-26 17:48:39,744 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 524 transitions. [2021-03-26 17:48:39,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 524 transitions. [2021-03-26 17:48:39,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:39,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 524 transitions. [2021-03-26 17:48:39,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.75) internal successors, (524), 16 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:39,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:39,745 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:39,745 INFO L185 Difference]: Start difference. First operand has 633 places, 860 transitions, 21448 flow. Second operand 16 states and 524 transitions. [2021-03-26 17:48:39,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 875 transitions, 23599 flow [2021-03-26 17:48:40,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 875 transitions, 23405 flow, removed 59 selfloop flow, removed 11 redundant places. [2021-03-26 17:48:40,622 INFO L241 Difference]: Finished difference. Result has 642 places, 861 transitions, 21588 flow [2021-03-26 17:48:40,622 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21264, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=741, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21588, PETRI_PLACES=642, PETRI_TRANSITIONS=861} [2021-03-26 17:48:40,622 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 603 predicate places. [2021-03-26 17:48:40,622 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:40,622 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 642 places, 861 transitions, 21588 flow [2021-03-26 17:48:40,622 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 642 places, 861 transitions, 21588 flow [2021-03-26 17:48:40,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 638 places, 861 transitions, 21588 flow [2021-03-26 17:48:40,991 INFO L129 PetriNetUnfolder]: 703/1558 cut-off events. [2021-03-26 17:48:40,992 INFO L130 PetriNetUnfolder]: For 130689/131000 co-relation queries the response was YES. [2021-03-26 17:48:41,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24454 conditions, 1558 events. 703/1558 cut-off events. For 130689/131000 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 11648 event pairs, 50 based on Foata normal form. 38/1567 useless extension candidates. Maximal degree in co-relation 24199. Up to 486 conditions per place. [2021-03-26 17:48:41,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 664 [2021-03-26 17:48:41,094 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:41,094 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:41,094 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-03-26 17:48:41,094 INFO L480 AbstractCegarLoop]: Abstraction has has 638 places, 861 transitions, 21588 flow [2021-03-26 17:48:41,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:41,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:41,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:41,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-26 17:48:41,095 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:41,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:41,095 INFO L82 PathProgramCache]: Analyzing trace with hash 994301457, now seen corresponding path program 2 times [2021-03-26 17:48:41,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:41,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543902837] [2021-03-26 17:48:41,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:41,101 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:41,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:41,105 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:41,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:41,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:41,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:41,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:41,139 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:48:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:48:41,162 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:48:41,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:48:41,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:41,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:41,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:41,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:48:41,211 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:48:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:48:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:41,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543902837] [2021-03-26 17:48:41,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:41,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:41,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258047564] [2021-03-26 17:48:41,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:41,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:41,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:41,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:41,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:41,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 861 transitions, 21588 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:41,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:41,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:41,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:42,355 INFO L129 PetriNetUnfolder]: 900/1863 cut-off events. [2021-03-26 17:48:42,355 INFO L130 PetriNetUnfolder]: For 151158/151162 co-relation queries the response was YES. [2021-03-26 17:48:42,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30464 conditions, 1863 events. 900/1863 cut-off events. For 151158/151162 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13173 event pairs, 156 based on Foata normal form. 5/1867 useless extension candidates. Maximal degree in co-relation 30207. Up to 1584 conditions per place. [2021-03-26 17:48:42,393 INFO L132 encePairwiseOnDemand]: 109/136 looper letters, 724 selfloop transitions, 139 changer transitions 3/874 dead transitions. [2021-03-26 17:48:42,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 874 transitions, 23785 flow [2021-03-26 17:48:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:48:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:48:42,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 501 transitions. [2021-03-26 17:48:42,394 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24558823529411763 [2021-03-26 17:48:42,394 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 501 transitions. [2021-03-26 17:48:42,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 501 transitions. [2021-03-26 17:48:42,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:42,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 501 transitions. [2021-03-26 17:48:42,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.4) internal successors, (501), 15 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:42,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 136.0) internal successors, (2176), 16 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:42,395 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 136.0) internal successors, (2176), 16 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:42,395 INFO L185 Difference]: Start difference. First operand has 638 places, 861 transitions, 21588 flow. Second operand 15 states and 501 transitions. [2021-03-26 17:48:42,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 874 transitions, 23785 flow [2021-03-26 17:48:43,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 874 transitions, 23591 flow, removed 9 selfloop flow, removed 11 redundant places. [2021-03-26 17:48:43,321 INFO L241 Difference]: Finished difference. Result has 644 places, 861 transitions, 21768 flow [2021-03-26 17:48:43,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21398, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=21768, PETRI_PLACES=644, PETRI_TRANSITIONS=861} [2021-03-26 17:48:43,321 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 605 predicate places. [2021-03-26 17:48:43,321 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:43,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 861 transitions, 21768 flow [2021-03-26 17:48:43,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 861 transitions, 21768 flow [2021-03-26 17:48:43,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 642 places, 861 transitions, 21768 flow [2021-03-26 17:48:43,630 INFO L129 PetriNetUnfolder]: 696/1549 cut-off events. [2021-03-26 17:48:43,630 INFO L130 PetriNetUnfolder]: For 138183/138527 co-relation queries the response was YES. [2021-03-26 17:48:43,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24561 conditions, 1549 events. 696/1549 cut-off events. For 138183/138527 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 11565 event pairs, 42 based on Foata normal form. 38/1558 useless extension candidates. Maximal degree in co-relation 24306. Up to 485 conditions per place. [2021-03-26 17:48:43,669 INFO L142 LiptonReduction]: Number of co-enabled transitions 664 [2021-03-26 17:48:43,748 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:43,748 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:43,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 427 [2021-03-26 17:48:43,748 INFO L480 AbstractCegarLoop]: Abstraction has has 642 places, 861 transitions, 21768 flow [2021-03-26 17:48:43,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:43,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:43,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:43,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-03-26 17:48:43,748 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:43,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:43,749 INFO L82 PathProgramCache]: Analyzing trace with hash -330209123, now seen corresponding path program 2 times [2021-03-26 17:48:43,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:43,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859787675] [2021-03-26 17:48:43,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:43,776 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:43,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:43,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:43,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:43,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:43,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:43,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:43,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:43,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:43,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:43,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:43,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:43,830 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:43,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:43,852 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:43,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:43,871 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:43,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:43,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:43,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:43,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859787675] [2021-03-26 17:48:43,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:43,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:43,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942097595] [2021-03-26 17:48:43,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:43,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:43,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:43,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:43,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:43,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 861 transitions, 21768 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:43,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:43,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:43,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:45,011 INFO L129 PetriNetUnfolder]: 899/1858 cut-off events. [2021-03-26 17:48:45,011 INFO L130 PetriNetUnfolder]: For 156755/156776 co-relation queries the response was YES. [2021-03-26 17:48:45,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30627 conditions, 1858 events. 899/1858 cut-off events. For 156755/156776 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 13110 event pairs, 163 based on Foata normal form. 18/1875 useless extension candidates. Maximal degree in co-relation 30370. Up to 1627 conditions per place. [2021-03-26 17:48:45,046 INFO L132 encePairwiseOnDemand]: 116/136 looper letters, 779 selfloop transitions, 86 changer transitions 2/875 dead transitions. [2021-03-26 17:48:45,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 875 transitions, 23938 flow [2021-03-26 17:48:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:48:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:48:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 516 transitions. [2021-03-26 17:48:45,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23713235294117646 [2021-03-26 17:48:45,048 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 516 transitions. [2021-03-26 17:48:45,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 516 transitions. [2021-03-26 17:48:45,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:45,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 516 transitions. [2021-03-26 17:48:45,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.25) internal successors, (516), 16 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:45,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:45,049 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:45,049 INFO L185 Difference]: Start difference. First operand has 642 places, 861 transitions, 21768 flow. Second operand 16 states and 516 transitions. [2021-03-26 17:48:45,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 875 transitions, 23938 flow [2021-03-26 17:48:45,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 875 transitions, 23544 flow, removed 49 selfloop flow, removed 14 redundant places. [2021-03-26 17:48:45,973 INFO L241 Difference]: Finished difference. Result has 646 places, 863 transitions, 21755 flow [2021-03-26 17:48:45,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21384, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=776, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21755, PETRI_PLACES=646, PETRI_TRANSITIONS=863} [2021-03-26 17:48:45,973 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 607 predicate places. [2021-03-26 17:48:45,973 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:45,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 863 transitions, 21755 flow [2021-03-26 17:48:45,973 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 863 transitions, 21755 flow [2021-03-26 17:48:45,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 645 places, 863 transitions, 21755 flow [2021-03-26 17:48:46,289 INFO L129 PetriNetUnfolder]: 694/1554 cut-off events. [2021-03-26 17:48:46,289 INFO L130 PetriNetUnfolder]: For 130943/131254 co-relation queries the response was YES. [2021-03-26 17:48:46,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24285 conditions, 1554 events. 694/1554 cut-off events. For 130943/131254 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 11660 event pairs, 50 based on Foata normal form. 41/1571 useless extension candidates. Maximal degree in co-relation 24013. Up to 482 conditions per place. [2021-03-26 17:48:46,330 INFO L142 LiptonReduction]: Number of co-enabled transitions 662 [2021-03-26 17:48:46,408 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:46,408 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:46,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 435 [2021-03-26 17:48:46,408 INFO L480 AbstractCegarLoop]: Abstraction has has 645 places, 863 transitions, 21755 flow [2021-03-26 17:48:46,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:46,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:46,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:46,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-03-26 17:48:46,408 INFO L428 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:46,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:46,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1190272945, now seen corresponding path program 3 times [2021-03-26 17:48:46,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:46,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935586011] [2021-03-26 17:48:46,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:46,416 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:46,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:46,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:46,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:46,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:46,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:46,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:46,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:46,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:46,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:46,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:46,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:46,467 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:46,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:46,493 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:46,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:46,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:46,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:46,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:46,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:46,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935586011] [2021-03-26 17:48:46,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:46,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:46,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324320153] [2021-03-26 17:48:46,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:46,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:46,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:46,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:46,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:46,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 863 transitions, 21755 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:46,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:46,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:46,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:47,573 INFO L129 PetriNetUnfolder]: 898/1859 cut-off events. [2021-03-26 17:48:47,573 INFO L130 PetriNetUnfolder]: For 151178/151199 co-relation queries the response was YES. [2021-03-26 17:48:47,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30318 conditions, 1859 events. 898/1859 cut-off events. For 151178/151199 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 13145 event pairs, 149 based on Foata normal form. 14/1872 useless extension candidates. Maximal degree in co-relation 30044. Up to 1681 conditions per place. [2021-03-26 17:48:47,612 INFO L132 encePairwiseOnDemand]: 120/136 looper letters, 820 selfloop transitions, 43 changer transitions 3/874 dead transitions. [2021-03-26 17:48:47,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 874 transitions, 23676 flow [2021-03-26 17:48:47,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:48:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:48:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 447 transitions. [2021-03-26 17:48:47,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2347689075630252 [2021-03-26 17:48:47,613 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 447 transitions. [2021-03-26 17:48:47,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 447 transitions. [2021-03-26 17:48:47,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:47,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 447 transitions. [2021-03-26 17:48:47,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 31.928571428571427) internal successors, (447), 14 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:47,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:47,614 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:47,614 INFO L185 Difference]: Start difference. First operand has 645 places, 863 transitions, 21755 flow. Second operand 14 states and 447 transitions. [2021-03-26 17:48:47,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 874 transitions, 23676 flow [2021-03-26 17:48:48,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 874 transitions, 23373 flow, removed 80 selfloop flow, removed 12 redundant places. [2021-03-26 17:48:48,530 INFO L241 Difference]: Finished difference. Result has 648 places, 861 transitions, 21497 flow [2021-03-26 17:48:48,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21454, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=820, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21497, PETRI_PLACES=648, PETRI_TRANSITIONS=861} [2021-03-26 17:48:48,531 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 609 predicate places. [2021-03-26 17:48:48,531 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:48,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 861 transitions, 21497 flow [2021-03-26 17:48:48,531 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 861 transitions, 21497 flow [2021-03-26 17:48:48,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 645 places, 861 transitions, 21497 flow [2021-03-26 17:48:48,850 INFO L129 PetriNetUnfolder]: 692/1553 cut-off events. [2021-03-26 17:48:48,850 INFO L130 PetriNetUnfolder]: For 126600/126915 co-relation queries the response was YES. [2021-03-26 17:48:48,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24035 conditions, 1553 events. 692/1553 cut-off events. For 126600/126915 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 11653 event pairs, 40 based on Foata normal form. 43/1577 useless extension candidates. Maximal degree in co-relation 23782. Up to 475 conditions per place. [2021-03-26 17:48:48,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-26 17:48:48,956 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:48,956 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:48,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 425 [2021-03-26 17:48:48,956 INFO L480 AbstractCegarLoop]: Abstraction has has 645 places, 861 transitions, 21497 flow [2021-03-26 17:48:48,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:48,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:48,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:48,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-03-26 17:48:48,956 INFO L428 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:48,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:48,956 INFO L82 PathProgramCache]: Analyzing trace with hash -174321162, now seen corresponding path program 2 times [2021-03-26 17:48:48,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:48,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968912734] [2021-03-26 17:48:48,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:48,964 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:48,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:48,968 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:48,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:48,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:48,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:48,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:48,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:48,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:48,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:49,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:49,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:49,013 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:48:49,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:48:49,039 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:48:49,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:48:49,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:49,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:48:49,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:48:49,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:48:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:49,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968912734] [2021-03-26 17:48:49,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:49,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:49,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730184218] [2021-03-26 17:48:49,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:49,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:49,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:49,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:49,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:49,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 861 transitions, 21497 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:49,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:49,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:49,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:50,075 INFO L129 PetriNetUnfolder]: 897/1855 cut-off events. [2021-03-26 17:48:50,075 INFO L130 PetriNetUnfolder]: For 144640/144661 co-relation queries the response was YES. [2021-03-26 17:48:50,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30100 conditions, 1855 events. 897/1855 cut-off events. For 144640/144661 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13154 event pairs, 155 based on Foata normal form. 14/1868 useless extension candidates. Maximal degree in co-relation 29843. Up to 1684 conditions per place. [2021-03-26 17:48:50,113 INFO L132 encePairwiseOnDemand]: 122/136 looper letters, 821 selfloop transitions, 35 changer transitions 5/869 dead transitions. [2021-03-26 17:48:50,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 869 transitions, 23349 flow [2021-03-26 17:48:50,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:48:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:48:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 416 transitions. [2021-03-26 17:48:50,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23529411764705882 [2021-03-26 17:48:50,115 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 416 transitions. [2021-03-26 17:48:50,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 416 transitions. [2021-03-26 17:48:50,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:50,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 416 transitions. [2021-03-26 17:48:50,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:50,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 136.0) internal successors, (1904), 14 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:50,116 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 136.0) internal successors, (1904), 14 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:50,116 INFO L185 Difference]: Start difference. First operand has 645 places, 861 transitions, 21497 flow. Second operand 13 states and 416 transitions. [2021-03-26 17:48:50,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 869 transitions, 23349 flow [2021-03-26 17:48:51,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 869 transitions, 23248 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 17:48:51,023 INFO L241 Difference]: Finished difference. Result has 645 places, 856 transitions, 21402 flow [2021-03-26 17:48:51,023 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21396, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=826, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=21402, PETRI_PLACES=645, PETRI_TRANSITIONS=856} [2021-03-26 17:48:51,023 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 606 predicate places. [2021-03-26 17:48:51,023 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:51,023 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 645 places, 856 transitions, 21402 flow [2021-03-26 17:48:51,024 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 645 places, 856 transitions, 21402 flow [2021-03-26 17:48:51,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 637 places, 856 transitions, 21402 flow [2021-03-26 17:48:51,331 INFO L129 PetriNetUnfolder]: 689/1542 cut-off events. [2021-03-26 17:48:51,331 INFO L130 PetriNetUnfolder]: For 126307/126646 co-relation queries the response was YES. [2021-03-26 17:48:51,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23949 conditions, 1542 events. 689/1542 cut-off events. For 126307/126646 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 11496 event pairs, 36 based on Foata normal form. 40/1562 useless extension candidates. Maximal degree in co-relation 23695. Up to 474 conditions per place. [2021-03-26 17:48:51,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 660 [2021-03-26 17:48:51,449 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:51,449 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:51,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 426 [2021-03-26 17:48:51,449 INFO L480 AbstractCegarLoop]: Abstraction has has 637 places, 856 transitions, 21402 flow [2021-03-26 17:48:51,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:51,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:51,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:51,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-26 17:48:51,449 INFO L428 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:51,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:51,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1236609457, now seen corresponding path program 4 times [2021-03-26 17:48:51,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:51,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846114498] [2021-03-26 17:48:51,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:51,458 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:51,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:51,462 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:51,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:51,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:51,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:51,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:51,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:51,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:51,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:51,511 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:51,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:51,531 INFO L142 QuantifierPusher]: treesize reduction 22, result has 48.8 percent of original size [2021-03-26 17:48:51,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:51,549 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:51,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:51,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:51,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:51,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:51,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:51,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846114498] [2021-03-26 17:48:51,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:51,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:51,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133490483] [2021-03-26 17:48:51,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:51,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:51,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:51,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:51,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:51,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 856 transitions, 21402 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:51,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:51,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:51,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:52,676 INFO L129 PetriNetUnfolder]: 896/1852 cut-off events. [2021-03-26 17:48:52,676 INFO L130 PetriNetUnfolder]: For 149293/149325 co-relation queries the response was YES. [2021-03-26 17:48:52,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30065 conditions, 1852 events. 896/1852 cut-off events. For 149293/149325 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 13098 event pairs, 165 based on Foata normal form. 23/1873 useless extension candidates. Maximal degree in co-relation 29809. Up to 1624 conditions per place. [2021-03-26 17:48:52,715 INFO L132 encePairwiseOnDemand]: 117/136 looper letters, 780 selfloop transitions, 74 changer transitions 6/868 dead transitions. [2021-03-26 17:48:52,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 868 transitions, 23337 flow [2021-03-26 17:48:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:48:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:48:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 513 transitions. [2021-03-26 17:48:52,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23575367647058823 [2021-03-26 17:48:52,716 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 513 transitions. [2021-03-26 17:48:52,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 513 transitions. [2021-03-26 17:48:52,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:52,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 513 transitions. [2021-03-26 17:48:52,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.0625) internal successors, (513), 16 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:52,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:52,717 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:52,717 INFO L185 Difference]: Start difference. First operand has 637 places, 856 transitions, 21402 flow. Second operand 16 states and 513 transitions. [2021-03-26 17:48:52,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 868 transitions, 23337 flow [2021-03-26 17:48:53,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 868 transitions, 23091 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 17:48:53,544 INFO L241 Difference]: Finished difference. Result has 643 places, 853 transitions, 21223 flow [2021-03-26 17:48:53,544 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21160, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=856, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=782, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21223, PETRI_PLACES=643, PETRI_TRANSITIONS=853} [2021-03-26 17:48:53,545 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 604 predicate places. [2021-03-26 17:48:53,545 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:53,545 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 853 transitions, 21223 flow [2021-03-26 17:48:53,545 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 853 transitions, 21223 flow [2021-03-26 17:48:53,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 639 places, 853 transitions, 21223 flow [2021-03-26 17:48:53,846 INFO L129 PetriNetUnfolder]: 683/1529 cut-off events. [2021-03-26 17:48:53,846 INFO L130 PetriNetUnfolder]: For 124617/124965 co-relation queries the response was YES. [2021-03-26 17:48:53,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23684 conditions, 1529 events. 683/1529 cut-off events. For 124617/124965 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 11455 event pairs, 32 based on Foata normal form. 38/1546 useless extension candidates. Maximal degree in co-relation 23431. Up to 473 conditions per place. [2021-03-26 17:48:53,884 INFO L142 LiptonReduction]: Number of co-enabled transitions 656 [2021-03-26 17:48:53,960 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:53,960 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:53,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 415 [2021-03-26 17:48:53,960 INFO L480 AbstractCegarLoop]: Abstraction has has 639 places, 853 transitions, 21223 flow [2021-03-26 17:48:53,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:53,960 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:53,960 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:53,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-03-26 17:48:53,960 INFO L428 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:53,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:53,961 INFO L82 PathProgramCache]: Analyzing trace with hash 2103334974, now seen corresponding path program 1 times [2021-03-26 17:48:53,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:53,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147677936] [2021-03-26 17:48:53,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:53,967 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:53,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:53,971 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:53,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:53,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:53,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:53,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:53,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:53,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:54,005 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:54,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:54,025 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:54,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:54,046 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:54,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:54,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:54,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:54,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:54,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147677936] [2021-03-26 17:48:54,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:54,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:54,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612747429] [2021-03-26 17:48:54,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:54,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:54,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:54,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:54,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:54,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 853 transitions, 21223 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:54,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:54,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:54,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:55,143 INFO L129 PetriNetUnfolder]: 894/1849 cut-off events. [2021-03-26 17:48:55,144 INFO L130 PetriNetUnfolder]: For 138563/138584 co-relation queries the response was YES. [2021-03-26 17:48:55,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29759 conditions, 1849 events. 894/1849 cut-off events. For 138563/138584 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 13112 event pairs, 126 based on Foata normal form. 18/1866 useless extension candidates. Maximal degree in co-relation 29504. Up to 1620 conditions per place. [2021-03-26 17:48:55,181 INFO L132 encePairwiseOnDemand]: 117/136 looper letters, 776 selfloop transitions, 74 changer transitions 5/863 dead transitions. [2021-03-26 17:48:55,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 863 transitions, 23135 flow [2021-03-26 17:48:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:48:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:48:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 512 transitions. [2021-03-26 17:48:55,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23529411764705882 [2021-03-26 17:48:55,183 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 512 transitions. [2021-03-26 17:48:55,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 512 transitions. [2021-03-26 17:48:55,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:55,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 512 transitions. [2021-03-26 17:48:55,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.0) internal successors, (512), 16 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:55,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:55,184 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 136.0) internal successors, (2312), 17 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:55,184 INFO L185 Difference]: Start difference. First operand has 639 places, 853 transitions, 21223 flow. Second operand 16 states and 512 transitions. [2021-03-26 17:48:55,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 863 transitions, 23135 flow [2021-03-26 17:48:56,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 863 transitions, 22984 flow, removed 5 selfloop flow, removed 16 redundant places. [2021-03-26 17:48:56,101 INFO L241 Difference]: Finished difference. Result has 640 places, 849 transitions, 21143 flow [2021-03-26 17:48:56,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21074, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=853, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=779, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21143, PETRI_PLACES=640, PETRI_TRANSITIONS=849} [2021-03-26 17:48:56,101 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 601 predicate places. [2021-03-26 17:48:56,101 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:56,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 849 transitions, 21143 flow [2021-03-26 17:48:56,102 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 849 transitions, 21143 flow [2021-03-26 17:48:56,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 849 transitions, 21143 flow [2021-03-26 17:48:56,404 INFO L129 PetriNetUnfolder]: 685/1530 cut-off events. [2021-03-26 17:48:56,404 INFO L130 PetriNetUnfolder]: For 122831/123151 co-relation queries the response was YES. [2021-03-26 17:48:56,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23677 conditions, 1530 events. 685/1530 cut-off events. For 122831/123151 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 11465 event pairs, 39 based on Foata normal form. 42/1550 useless extension candidates. Maximal degree in co-relation 23427. Up to 472 conditions per place. [2021-03-26 17:48:56,442 INFO L142 LiptonReduction]: Number of co-enabled transitions 656 [2021-03-26 17:48:56,520 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:56,520 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:56,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 419 [2021-03-26 17:48:56,520 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 849 transitions, 21143 flow [2021-03-26 17:48:56,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:56,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:56,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:48:56,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-03-26 17:48:56,521 INFO L428 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:56,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:56,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1499004945, now seen corresponding path program 5 times [2021-03-26 17:48:56,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:56,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609598628] [2021-03-26 17:48:56,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:56,529 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:56,534 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:56,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:56,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:56,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:56,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:56,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:56,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:56,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:56,568 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:48:56,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:48:56,588 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:48:56,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:48:56,609 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:48:56,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:48:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:56,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609598628] [2021-03-26 17:48:56,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:56,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:56,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419028120] [2021-03-26 17:48:56,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:56,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:56,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:56,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:56,641 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:56,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 849 transitions, 21143 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:56,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:56,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:56,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:48:57,705 INFO L129 PetriNetUnfolder]: 892/1840 cut-off events. [2021-03-26 17:48:57,705 INFO L130 PetriNetUnfolder]: For 142435/142439 co-relation queries the response was YES. [2021-03-26 17:48:57,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29679 conditions, 1840 events. 892/1840 cut-off events. For 142435/142439 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 12933 event pairs, 161 based on Foata normal form. 5/1844 useless extension candidates. Maximal degree in co-relation 29427. Up to 1618 conditions per place. [2021-03-26 17:48:57,743 INFO L132 encePairwiseOnDemand]: 118/136 looper letters, 775 selfloop transitions, 72 changer transitions 3/858 dead transitions. [2021-03-26 17:48:57,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 858 transitions, 22997 flow [2021-03-26 17:48:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:48:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:48:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 455 transitions. [2021-03-26 17:48:57,745 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23897058823529413 [2021-03-26 17:48:57,745 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 455 transitions. [2021-03-26 17:48:57,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 455 transitions. [2021-03-26 17:48:57,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:48:57,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 455 transitions. [2021-03-26 17:48:57,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.5) internal successors, (455), 14 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:57,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:57,746 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:57,746 INFO L185 Difference]: Start difference. First operand has 635 places, 849 transitions, 21143 flow. Second operand 14 states and 455 transitions. [2021-03-26 17:48:57,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 858 transitions, 22997 flow [2021-03-26 17:48:58,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 858 transitions, 22797 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-26 17:48:58,598 INFO L241 Difference]: Finished difference. Result has 633 places, 846 transitions, 21052 flow [2021-03-26 17:48:58,598 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=20949, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=849, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=777, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21052, PETRI_PLACES=633, PETRI_TRANSITIONS=846} [2021-03-26 17:48:58,598 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 594 predicate places. [2021-03-26 17:48:58,598 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:48:58,598 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 633 places, 846 transitions, 21052 flow [2021-03-26 17:48:58,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 633 places, 846 transitions, 21052 flow [2021-03-26 17:48:58,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 846 transitions, 21052 flow [2021-03-26 17:48:58,910 INFO L129 PetriNetUnfolder]: 686/1535 cut-off events. [2021-03-26 17:48:58,910 INFO L130 PetriNetUnfolder]: For 117373/117659 co-relation queries the response was YES. [2021-03-26 17:48:58,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23531 conditions, 1535 events. 686/1535 cut-off events. For 117373/117659 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 11426 event pairs, 33 based on Foata normal form. 44/1557 useless extension candidates. Maximal degree in co-relation 23284. Up to 475 conditions per place. [2021-03-26 17:48:58,949 INFO L142 LiptonReduction]: Number of co-enabled transitions 650 [2021-03-26 17:48:59,027 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:48:59,027 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:48:59,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-26 17:48:59,027 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 846 transitions, 21052 flow [2021-03-26 17:48:59,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:59,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:48:59,028 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] [2021-03-26 17:48:59,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-03-26 17:48:59,028 INFO L428 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:48:59,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:48:59,028 INFO L82 PathProgramCache]: Analyzing trace with hash -972834800, now seen corresponding path program 1 times [2021-03-26 17:48:59,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:48:59,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046144086] [2021-03-26 17:48:59,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:48:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:48:59,036 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:48:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:48:59,041 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:48:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:59,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:48:59,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:59,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:59,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:59,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:48:59,096 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:48:59,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:48:59,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:59,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:48:59,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:48:59,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:48:59,153 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:48:59,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:48:59,171 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:48:59,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:48:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:48:59,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046144086] [2021-03-26 17:48:59,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:48:59,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:48:59,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745501491] [2021-03-26 17:48:59,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:48:59,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:48:59,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:48:59,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:48:59,174 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:48:59,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 846 transitions, 21052 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:48:59,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:48:59,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:48:59,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:00,374 INFO L129 PetriNetUnfolder]: 897/1857 cut-off events. [2021-03-26 17:49:00,374 INFO L130 PetriNetUnfolder]: For 138424/138452 co-relation queries the response was YES. [2021-03-26 17:49:00,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29945 conditions, 1857 events. 897/1857 cut-off events. For 138424/138452 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 13173 event pairs, 139 based on Foata normal form. 25/1881 useless extension candidates. Maximal degree in co-relation 29696. Up to 1447 conditions per place. [2021-03-26 17:49:00,412 INFO L132 encePairwiseOnDemand]: 106/136 looper letters, 605 selfloop transitions, 257 changer transitions 8/878 dead transitions. [2021-03-26 17:49:00,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 878 transitions, 23855 flow [2021-03-26 17:49:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 17:49:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 17:49:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 642 transitions. [2021-03-26 17:49:00,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23602941176470588 [2021-03-26 17:49:00,413 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 642 transitions. [2021-03-26 17:49:00,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 642 transitions. [2021-03-26 17:49:00,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:00,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 642 transitions. [2021-03-26 17:49:00,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.1) internal successors, (642), 20 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) [2021-03-26 17:49:00,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 136.0) internal successors, (2856), 21 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:00,415 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 136.0) internal successors, (2856), 21 states have internal predecessors, (2856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:00,415 INFO L185 Difference]: Start difference. First operand has 628 places, 846 transitions, 21052 flow. Second operand 20 states and 642 transitions. [2021-03-26 17:49:00,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 878 transitions, 23855 flow [2021-03-26 17:49:01,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 636 places, 878 transitions, 23709 flow, removed 1 selfloop flow, removed 11 redundant places. [2021-03-26 17:49:01,297 INFO L241 Difference]: Finished difference. Result has 639 places, 859 transitions, 22197 flow [2021-03-26 17:49:01,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=20906, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=846, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=22197, PETRI_PLACES=639, PETRI_TRANSITIONS=859} [2021-03-26 17:49:01,298 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 600 predicate places. [2021-03-26 17:49:01,298 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:01,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 859 transitions, 22197 flow [2021-03-26 17:49:01,298 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 859 transitions, 22197 flow [2021-03-26 17:49:01,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 638 places, 859 transitions, 22197 flow [2021-03-26 17:49:01,603 INFO L129 PetriNetUnfolder]: 690/1517 cut-off events. [2021-03-26 17:49:01,603 INFO L130 PetriNetUnfolder]: For 124441/124723 co-relation queries the response was YES. [2021-03-26 17:49:01,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24127 conditions, 1517 events. 690/1517 cut-off events. For 124441/124723 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 11273 event pairs, 46 based on Foata normal form. 38/1534 useless extension candidates. Maximal degree in co-relation 23859. Up to 478 conditions per place. [2021-03-26 17:49:01,641 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-26 17:49:01,721 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:01,721 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:01,721 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 423 [2021-03-26 17:49:01,721 INFO L480 AbstractCegarLoop]: Abstraction has has 638 places, 859 transitions, 22197 flow [2021-03-26 17:49:01,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:01,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:01,721 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] [2021-03-26 17:49:01,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-03-26 17:49:01,722 INFO L428 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:01,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:01,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1458926650, now seen corresponding path program 1 times [2021-03-26 17:49:01,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:01,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684079366] [2021-03-26 17:49:01,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:01,744 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:01,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:01,749 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:01,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:01,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:01,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:01,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:49:01,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:49:01,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:49:01,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:49:01,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:01,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:01,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:01,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:01,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684079366] [2021-03-26 17:49:01,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:01,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:49:01,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415841263] [2021-03-26 17:49:01,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:49:01,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:01,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:49:01,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:49:01,839 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 136 [2021-03-26 17:49:01,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 859 transitions, 22197 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:01,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:01,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 136 [2021-03-26 17:49:01,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:03,001 INFO L129 PetriNetUnfolder]: 894/1821 cut-off events. [2021-03-26 17:49:03,001 INFO L130 PetriNetUnfolder]: For 149190/149194 co-relation queries the response was YES. [2021-03-26 17:49:03,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30262 conditions, 1821 events. 894/1821 cut-off events. For 149190/149194 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 12657 event pairs, 179 based on Foata normal form. 5/1823 useless extension candidates. Maximal degree in co-relation 29980. Up to 1606 conditions per place. [2021-03-26 17:49:03,040 INFO L132 encePairwiseOnDemand]: 112/136 looper letters, 700 selfloop transitions, 159 changer transitions 5/872 dead transitions. [2021-03-26 17:49:03,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 872 transitions, 24595 flow [2021-03-26 17:49:03,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:49:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:49:03,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 454 transitions. [2021-03-26 17:49:03,041 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23844537815126052 [2021-03-26 17:49:03,041 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 454 transitions. [2021-03-26 17:49:03,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 454 transitions. [2021-03-26 17:49:03,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:03,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 454 transitions. [2021-03-26 17:49:03,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.42857142857143) internal successors, (454), 14 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:03,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:03,043 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 136.0) internal successors, (2040), 15 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:03,043 INFO L185 Difference]: Start difference. First operand has 638 places, 859 transitions, 22197 flow. Second operand 14 states and 454 transitions. [2021-03-26 17:49:03,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 872 transitions, 24595 flow [2021-03-26 17:49:03,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 872 transitions, 23870 flow, removed 284 selfloop flow, removed 10 redundant places. [2021-03-26 17:49:03,986 INFO L241 Difference]: Finished difference. Result has 648 places, 864 transitions, 22080 flow [2021-03-26 17:49:03,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=21472, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22080, PETRI_PLACES=648, PETRI_TRANSITIONS=864} [2021-03-26 17:49:03,986 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 609 predicate places. [2021-03-26 17:49:03,986 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:03,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 864 transitions, 22080 flow [2021-03-26 17:49:03,987 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 864 transitions, 22080 flow [2021-03-26 17:49:03,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 644 places, 864 transitions, 22080 flow [2021-03-26 17:49:04,289 INFO L129 PetriNetUnfolder]: 686/1514 cut-off events. [2021-03-26 17:49:04,289 INFO L130 PetriNetUnfolder]: For 126225/126512 co-relation queries the response was YES. [2021-03-26 17:49:04,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23967 conditions, 1514 events. 686/1514 cut-off events. For 126225/126512 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 11222 event pairs, 37 based on Foata normal form. 53/1549 useless extension candidates. Maximal degree in co-relation 23712. Up to 452 conditions per place. [2021-03-26 17:49:04,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-26 17:49:04,535 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:04,535 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:49:04,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 549 [2021-03-26 17:49:04,535 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 864 transitions, 22099 flow [2021-03-26 17:49:04,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:04,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:04,536 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] [2021-03-26 17:49:04,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-03-26 17:49:04,536 INFO L428 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:04,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:04,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1239284572, now seen corresponding path program 1 times [2021-03-26 17:49:04,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:04,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006082799] [2021-03-26 17:49:04,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:04,542 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:04,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:04,547 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:04,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:04,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:04,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:04,571 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:49:04,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:49:04,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:04,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:49:04,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:04,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:04,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:04,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:49:04,629 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:49:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:04,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006082799] [2021-03-26 17:49:04,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:04,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:49:04,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095916828] [2021-03-26 17:49:04,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:49:04,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:04,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:49:04,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:49:04,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 137 [2021-03-26 17:49:04,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 864 transitions, 22099 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:04,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:04,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 137 [2021-03-26 17:49:04,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:05,860 INFO L129 PetriNetUnfolder]: 944/1918 cut-off events. [2021-03-26 17:49:05,860 INFO L130 PetriNetUnfolder]: For 172054/172075 co-relation queries the response was YES. [2021-03-26 17:49:05,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32379 conditions, 1918 events. 944/1918 cut-off events. For 172054/172075 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 13532 event pairs, 122 based on Foata normal form. 14/1931 useless extension candidates. Maximal degree in co-relation 32122. Up to 1671 conditions per place. [2021-03-26 17:49:05,901 INFO L132 encePairwiseOnDemand]: 116/137 looper letters, 797 selfloop transitions, 135 changer transitions 3/943 dead transitions. [2021-03-26 17:49:05,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 943 transitions, 26861 flow [2021-03-26 17:49:05,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:49:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:49:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 558 transitions. [2021-03-26 17:49:05,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23958780592528983 [2021-03-26 17:49:05,902 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 558 transitions. [2021-03-26 17:49:05,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 558 transitions. [2021-03-26 17:49:05,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:05,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 558 transitions. [2021-03-26 17:49:05,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.8235294117647) internal successors, (558), 17 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:05,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 137.0) internal successors, (2466), 18 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:05,904 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 137.0) internal successors, (2466), 18 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:05,904 INFO L185 Difference]: Start difference. First operand has 644 places, 864 transitions, 22099 flow. Second operand 17 states and 558 transitions. [2021-03-26 17:49:05,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 660 places, 943 transitions, 26861 flow [2021-03-26 17:49:06,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 943 transitions, 26485 flow, removed 71 selfloop flow, removed 10 redundant places. [2021-03-26 17:49:06,919 INFO L241 Difference]: Finished difference. Result has 660 places, 917 transitions, 24481 flow [2021-03-26 17:49:06,919 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=21761, PETRI_DIFFERENCE_MINUEND_PLACES=634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=747, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=24481, PETRI_PLACES=660, PETRI_TRANSITIONS=917} [2021-03-26 17:49:06,919 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 621 predicate places. [2021-03-26 17:49:06,919 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:06,919 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 660 places, 917 transitions, 24481 flow [2021-03-26 17:49:06,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 660 places, 917 transitions, 24481 flow [2021-03-26 17:49:06,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 659 places, 917 transitions, 24481 flow [2021-03-26 17:49:07,307 INFO L129 PetriNetUnfolder]: 736/1610 cut-off events. [2021-03-26 17:49:07,307 INFO L130 PetriNetUnfolder]: For 156699/156968 co-relation queries the response was YES. [2021-03-26 17:49:07,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26635 conditions, 1610 events. 736/1610 cut-off events. For 156699/156968 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 12016 event pairs, 37 based on Foata normal form. 38/1625 useless extension candidates. Maximal degree in co-relation 26354. Up to 504 conditions per place. [2021-03-26 17:49:07,348 INFO L142 LiptonReduction]: Number of co-enabled transitions 710 [2021-03-26 17:49:07,604 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 17:49:07,604 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 17:49:07,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 685 [2021-03-26 17:49:07,604 INFO L480 AbstractCegarLoop]: Abstraction has has 659 places, 917 transitions, 24586 flow [2021-03-26 17:49:07,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:07,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:07,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:07,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-03-26 17:49:07,605 INFO L428 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:07,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:07,605 INFO L82 PathProgramCache]: Analyzing trace with hash 130910970, now seen corresponding path program 1 times [2021-03-26 17:49:07,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:07,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820254777] [2021-03-26 17:49:07,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:07,619 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:07,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:07,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:07,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:07,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:07,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:07,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:07,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:07,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:07,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:49:07,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:07,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:49:07,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:07,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:49:07,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:07,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:07,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:07,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:07,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:07,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:07,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820254777] [2021-03-26 17:49:07,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:07,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:49:07,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545322582] [2021-03-26 17:49:07,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:49:07,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:07,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:49:07,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:49:07,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 17:49:07,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 917 transitions, 24586 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:07,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:07,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 17:49:07,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:08,868 INFO L129 PetriNetUnfolder]: 943/1914 cut-off events. [2021-03-26 17:49:08,869 INFO L130 PetriNetUnfolder]: For 180976/180980 co-relation queries the response was YES. [2021-03-26 17:49:08,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33093 conditions, 1914 events. 943/1914 cut-off events. For 180976/180980 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 13463 event pairs, 175 based on Foata normal form. 5/1916 useless extension candidates. Maximal degree in co-relation 32798. Up to 1658 conditions per place. [2021-03-26 17:49:08,910 INFO L132 encePairwiseOnDemand]: 115/140 looper letters, 721 selfloop transitions, 189 changer transitions 5/923 dead transitions. [2021-03-26 17:49:08,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 923 transitions, 26682 flow [2021-03-26 17:49:08,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:49:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:49:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 379 transitions. [2021-03-26 17:49:08,912 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2461038961038961 [2021-03-26 17:49:08,912 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 379 transitions. [2021-03-26 17:49:08,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 379 transitions. [2021-03-26 17:49:08,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:08,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 379 transitions. [2021-03-26 17:49:08,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.45454545454545) internal successors, (379), 11 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:08,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 140.0) internal successors, (1680), 12 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:08,913 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 140.0) internal successors, (1680), 12 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:08,913 INFO L185 Difference]: Start difference. First operand has 659 places, 917 transitions, 24586 flow. Second operand 11 states and 379 transitions. [2021-03-26 17:49:08,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 923 transitions, 26682 flow [2021-03-26 17:49:10,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 923 transitions, 25321 flow, removed 663 selfloop flow, removed 4 redundant places. [2021-03-26 17:49:10,064 INFO L241 Difference]: Finished difference. Result has 668 places, 914 transitions, 23535 flow [2021-03-26 17:49:10,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=23225, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=917, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=728, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23535, PETRI_PLACES=668, PETRI_TRANSITIONS=914} [2021-03-26 17:49:10,064 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 629 predicate places. [2021-03-26 17:49:10,065 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:10,065 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 668 places, 914 transitions, 23535 flow [2021-03-26 17:49:10,065 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 668 places, 914 transitions, 23535 flow [2021-03-26 17:49:10,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 665 places, 914 transitions, 23535 flow [2021-03-26 17:49:10,400 INFO L129 PetriNetUnfolder]: 735/1604 cut-off events. [2021-03-26 17:49:10,400 INFO L130 PetriNetUnfolder]: For 144228/144484 co-relation queries the response was YES. [2021-03-26 17:49:10,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25940 conditions, 1604 events. 735/1604 cut-off events. For 144228/144484 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 11995 event pairs, 46 based on Foata normal form. 17/1592 useless extension candidates. Maximal degree in co-relation 25676. Up to 479 conditions per place. [2021-03-26 17:49:10,442 INFO L142 LiptonReduction]: Number of co-enabled transitions 710 [2021-03-26 17:49:10,559 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:10,560 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:10,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-03-26 17:49:10,560 INFO L480 AbstractCegarLoop]: Abstraction has has 665 places, 914 transitions, 23535 flow [2021-03-26 17:49:10,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:10,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:10,560 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:10,560 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-03-26 17:49:10,560 INFO L428 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:10,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1963136473, now seen corresponding path program 1 times [2021-03-26 17:49:10,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:10,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923507222] [2021-03-26 17:49:10,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:10,568 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:10,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:10,573 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:10,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:10,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:10,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:10,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:10,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:10,612 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:49:10,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:49:10,629 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:49:10,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:49:10,632 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:49:10,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:49:10,646 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:49:10,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:10,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:10,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:10,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:10,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:10,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923507222] [2021-03-26 17:49:10,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:10,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:49:10,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752924327] [2021-03-26 17:49:10,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:49:10,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:10,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:49:10,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:49:10,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 17:49:10,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 914 transitions, 23535 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:10,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:10,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 17:49:10,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:11,761 INFO L129 PetriNetUnfolder]: 982/1976 cut-off events. [2021-03-26 17:49:11,761 INFO L130 PetriNetUnfolder]: For 190976/191004 co-relation queries the response was YES. [2021-03-26 17:49:11,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34305 conditions, 1976 events. 982/1976 cut-off events. For 190976/191004 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 13899 event pairs, 130 based on Foata normal form. 25/1999 useless extension candidates. Maximal degree in co-relation 34039. Up to 1579 conditions per place. [2021-03-26 17:49:11,803 INFO L132 encePairwiseOnDemand]: 107/140 looper letters, 678 selfloop transitions, 282 changer transitions 6/974 dead transitions. [2021-03-26 17:49:11,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 974 transitions, 27993 flow [2021-03-26 17:49:11,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:49:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:49:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 514 transitions. [2021-03-26 17:49:11,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24476190476190476 [2021-03-26 17:49:11,804 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 514 transitions. [2021-03-26 17:49:11,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 514 transitions. [2021-03-26 17:49:11,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:11,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 514 transitions. [2021-03-26 17:49:11,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.266666666666666) internal successors, (514), 15 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:11,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:11,806 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 140.0) internal successors, (2240), 16 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:11,806 INFO L185 Difference]: Start difference. First operand has 665 places, 914 transitions, 23535 flow. Second operand 15 states and 514 transitions. [2021-03-26 17:49:11,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 974 transitions, 27993 flow [2021-03-26 17:49:12,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 974 transitions, 27455 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-03-26 17:49:12,831 INFO L241 Difference]: Finished difference. Result has 669 places, 948 transitions, 25571 flow [2021-03-26 17:49:12,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=23046, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=25571, PETRI_PLACES=669, PETRI_TRANSITIONS=948} [2021-03-26 17:49:12,831 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 630 predicate places. [2021-03-26 17:49:12,831 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:12,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 948 transitions, 25571 flow [2021-03-26 17:49:12,832 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 948 transitions, 25571 flow [2021-03-26 17:49:12,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 669 places, 948 transitions, 25571 flow [2021-03-26 17:49:13,190 INFO L129 PetriNetUnfolder]: 775/1655 cut-off events. [2021-03-26 17:49:13,190 INFO L130 PetriNetUnfolder]: For 157906/158144 co-relation queries the response was YES. [2021-03-26 17:49:13,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27657 conditions, 1655 events. 775/1655 cut-off events. For 157906/158144 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 12279 event pairs, 48 based on Foata normal form. 38/1667 useless extension candidates. Maximal degree in co-relation 27374. Up to 517 conditions per place. [2021-03-26 17:49:13,235 INFO L142 LiptonReduction]: Number of co-enabled transitions 726 [2021-03-26 17:49:13,356 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:13,356 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:13,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 526 [2021-03-26 17:49:13,357 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 948 transitions, 25571 flow [2021-03-26 17:49:13,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:13,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:13,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:13,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-03-26 17:49:13,357 INFO L428 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:13,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:13,357 INFO L82 PathProgramCache]: Analyzing trace with hash 573299846, now seen corresponding path program 1 times [2021-03-26 17:49:13,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:13,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089240963] [2021-03-26 17:49:13,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:13,363 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:13,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:13,368 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:13,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:13,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:13,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:13,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:13,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:13,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:13,402 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:49:13,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:49:13,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:13,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:13,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:13,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:13,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:13,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:13,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:13,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:13,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089240963] [2021-03-26 17:49:13,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:13,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:49:13,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541291765] [2021-03-26 17:49:13,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:49:13,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:13,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:49:13,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:49:13,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 17:49:13,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 948 transitions, 25571 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:13,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:13,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 17:49:13,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:14,722 INFO L129 PetriNetUnfolder]: 1016/2035 cut-off events. [2021-03-26 17:49:14,722 INFO L130 PetriNetUnfolder]: For 212328/212360 co-relation queries the response was YES. [2021-03-26 17:49:14,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35699 conditions, 2035 events. 1016/2035 cut-off events. For 212328/212360 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 14376 event pairs, 179 based on Foata normal form. 19/2052 useless extension candidates. Maximal degree in co-relation 35402. Up to 1766 conditions per place. [2021-03-26 17:49:14,761 INFO L132 encePairwiseOnDemand]: 120/140 looper letters, 884 selfloop transitions, 123 changer transitions 3/1018 dead transitions. [2021-03-26 17:49:14,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 1018 transitions, 29867 flow [2021-03-26 17:49:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:49:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:49:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 525 transitions. [2021-03-26 17:49:14,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.234375 [2021-03-26 17:49:14,762 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 525 transitions. [2021-03-26 17:49:14,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 525 transitions. [2021-03-26 17:49:14,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:14,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 525 transitions. [2021-03-26 17:49:14,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.8125) internal successors, (525), 16 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:14,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 140.0) internal successors, (2380), 17 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:14,764 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 140.0) internal successors, (2380), 17 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:14,764 INFO L185 Difference]: Start difference. First operand has 669 places, 948 transitions, 25571 flow. Second operand 16 states and 525 transitions. [2021-03-26 17:49:14,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 1018 transitions, 29867 flow [2021-03-26 17:49:15,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 677 places, 1018 transitions, 28905 flow, removed 412 selfloop flow, removed 7 redundant places. [2021-03-26 17:49:15,870 INFO L241 Difference]: Finished difference. Result has 684 places, 978 transitions, 26350 flow [2021-03-26 17:49:15,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=24774, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=948, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=831, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=26350, PETRI_PLACES=684, PETRI_TRANSITIONS=978} [2021-03-26 17:49:15,870 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 645 predicate places. [2021-03-26 17:49:15,870 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:15,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 684 places, 978 transitions, 26350 flow [2021-03-26 17:49:15,870 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 684 places, 978 transitions, 26350 flow [2021-03-26 17:49:15,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 682 places, 978 transitions, 26350 flow [2021-03-26 17:49:16,260 INFO L129 PetriNetUnfolder]: 805/1718 cut-off events. [2021-03-26 17:49:16,260 INFO L130 PetriNetUnfolder]: For 157060/157320 co-relation queries the response was YES. [2021-03-26 17:49:16,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28143 conditions, 1718 events. 805/1718 cut-off events. For 157060/157320 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 12830 event pairs, 46 based on Foata normal form. 36/1727 useless extension candidates. Maximal degree in co-relation 27874. Up to 543 conditions per place. [2021-03-26 17:49:16,312 INFO L142 LiptonReduction]: Number of co-enabled transitions 754 [2021-03-26 17:49:16,464 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:16,464 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:16,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 594 [2021-03-26 17:49:16,464 INFO L480 AbstractCegarLoop]: Abstraction has has 682 places, 978 transitions, 26350 flow [2021-03-26 17:49:16,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:16,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:16,464 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:16,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-26 17:49:16,465 INFO L428 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:16,465 INFO L82 PathProgramCache]: Analyzing trace with hash 16933773, now seen corresponding path program 2 times [2021-03-26 17:49:16,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:16,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398612757] [2021-03-26 17:49:16,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:16,473 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:16,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:16,478 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:16,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:16,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:16,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:16,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:16,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:16,506 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:49:16,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:49:16,525 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:49:16,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:49:16,529 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:49:16,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:49:16,547 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:49:16,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:16,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:16,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:16,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:16,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:16,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398612757] [2021-03-26 17:49:16,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:16,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:49:16,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691484060] [2021-03-26 17:49:16,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:49:16,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:16,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:49:16,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:49:16,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 17:49:16,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 978 transitions, 26350 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:16,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:16,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 17:49:16,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:17,938 INFO L129 PetriNetUnfolder]: 1027/2055 cut-off events. [2021-03-26 17:49:17,939 INFO L130 PetriNetUnfolder]: For 193543/193547 co-relation queries the response was YES. [2021-03-26 17:49:17,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35534 conditions, 2055 events. 1027/2055 cut-off events. For 193543/193547 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 14622 event pairs, 136 based on Foata normal form. 5/2059 useless extension candidates. Maximal degree in co-relation 35263. Up to 1756 conditions per place. [2021-03-26 17:49:17,988 INFO L132 encePairwiseOnDemand]: 118/140 looper letters, 835 selfloop transitions, 164 changer transitions 2/1009 dead transitions. [2021-03-26 17:49:17,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 1009 transitions, 29265 flow [2021-03-26 17:49:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:49:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:49:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 455 transitions. [2021-03-26 17:49:17,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.25 [2021-03-26 17:49:17,992 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 455 transitions. [2021-03-26 17:49:17,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 455 transitions. [2021-03-26 17:49:17,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:17,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 455 transitions. [2021-03-26 17:49:17,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.0) internal successors, (455), 13 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:17,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:17,994 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:17,994 INFO L185 Difference]: Start difference. First operand has 682 places, 978 transitions, 26350 flow. Second operand 13 states and 455 transitions. [2021-03-26 17:49:17,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 1009 transitions, 29265 flow [2021-03-26 17:49:19,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 686 places, 1009 transitions, 28615 flow, removed 282 selfloop flow, removed 8 redundant places. [2021-03-26 17:49:19,190 INFO L241 Difference]: Finished difference. Result has 688 places, 981 transitions, 26415 flow [2021-03-26 17:49:19,190 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=25700, PETRI_DIFFERENCE_MINUEND_PLACES=674, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=978, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=816, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=26415, PETRI_PLACES=688, PETRI_TRANSITIONS=981} [2021-03-26 17:49:19,191 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 649 predicate places. [2021-03-26 17:49:19,191 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:19,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 688 places, 981 transitions, 26415 flow [2021-03-26 17:49:19,191 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 688 places, 981 transitions, 26415 flow [2021-03-26 17:49:19,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 687 places, 981 transitions, 26415 flow [2021-03-26 17:49:19,585 INFO L129 PetriNetUnfolder]: 813/1735 cut-off events. [2021-03-26 17:49:19,585 INFO L130 PetriNetUnfolder]: For 158789/159038 co-relation queries the response was YES. [2021-03-26 17:49:19,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28748 conditions, 1735 events. 813/1735 cut-off events. For 158789/159038 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 12931 event pairs, 36 based on Foata normal form. 38/1749 useless extension candidates. Maximal degree in co-relation 28457. Up to 552 conditions per place. [2021-03-26 17:49:19,635 INFO L142 LiptonReduction]: Number of co-enabled transitions 756 [2021-03-26 17:49:19,741 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:19,741 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:19,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 551 [2021-03-26 17:49:19,742 INFO L480 AbstractCegarLoop]: Abstraction has has 687 places, 981 transitions, 26415 flow [2021-03-26 17:49:19,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:19,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:19,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:19,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-03-26 17:49:19,742 INFO L428 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:19,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:19,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1301612102, now seen corresponding path program 2 times [2021-03-26 17:49:19,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:19,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216649783] [2021-03-26 17:49:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:19,749 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:19,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:19,753 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:19,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:19,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:19,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:19,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:19,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:19,777 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:49:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:49:19,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:19,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:19,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:19,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:19,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:19,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:19,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:19,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:19,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:19,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216649783] [2021-03-26 17:49:19,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:19,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:49:19,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110188074] [2021-03-26 17:49:19,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:49:19,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:19,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:49:19,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:49:19,830 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 140 [2021-03-26 17:49:19,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 687 places, 981 transitions, 26415 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:19,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:19,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 140 [2021-03-26 17:49:19,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:21,139 INFO L129 PetriNetUnfolder]: 1050/2096 cut-off events. [2021-03-26 17:49:21,139 INFO L130 PetriNetUnfolder]: For 205125/205129 co-relation queries the response was YES. [2021-03-26 17:49:21,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36496 conditions, 2096 events. 1050/2096 cut-off events. For 205125/205129 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 14924 event pairs, 183 based on Foata normal form. 5/2100 useless extension candidates. Maximal degree in co-relation 36191. Up to 1815 conditions per place. [2021-03-26 17:49:21,186 INFO L132 encePairwiseOnDemand]: 118/140 looper letters, 844 selfloop transitions, 183 changer transitions 2/1037 dead transitions. [2021-03-26 17:49:21,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 1037 transitions, 30200 flow [2021-03-26 17:49:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:49:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:49:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 566 transitions. [2021-03-26 17:49:21,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23781512605042016 [2021-03-26 17:49:21,187 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 566 transitions. [2021-03-26 17:49:21,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 566 transitions. [2021-03-26 17:49:21,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:21,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 566 transitions. [2021-03-26 17:49:21,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.294117647058826) internal successors, (566), 17 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:21,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 140.0) internal successors, (2520), 18 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:21,189 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 140.0) internal successors, (2520), 18 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:21,189 INFO L185 Difference]: Start difference. First operand has 687 places, 981 transitions, 26415 flow. Second operand 17 states and 566 transitions. [2021-03-26 17:49:21,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 1037 transitions, 30200 flow [2021-03-26 17:49:22,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 696 places, 1037 transitions, 29883 flow, removed 110 selfloop flow, removed 7 redundant places. [2021-03-26 17:49:22,306 INFO L241 Difference]: Finished difference. Result has 701 places, 1011 transitions, 27692 flow [2021-03-26 17:49:22,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=26114, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=981, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=27692, PETRI_PLACES=701, PETRI_TRANSITIONS=1011} [2021-03-26 17:49:22,306 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 662 predicate places. [2021-03-26 17:49:22,307 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:22,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 701 places, 1011 transitions, 27692 flow [2021-03-26 17:49:22,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 701 places, 1011 transitions, 27692 flow [2021-03-26 17:49:22,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 700 places, 1011 transitions, 27692 flow [2021-03-26 17:49:22,752 INFO L129 PetriNetUnfolder]: 829/1772 cut-off events. [2021-03-26 17:49:22,752 INFO L130 PetriNetUnfolder]: For 170046/170403 co-relation queries the response was YES. [2021-03-26 17:49:22,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29629 conditions, 1772 events. 829/1772 cut-off events. For 170046/170403 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 13315 event pairs, 38 based on Foata normal form. 42/1791 useless extension candidates. Maximal degree in co-relation 29346. Up to 558 conditions per place. [2021-03-26 17:49:22,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 786 [2021-03-26 17:49:23,115 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 17:49:23,116 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:49:23,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 809 [2021-03-26 17:49:23,116 INFO L480 AbstractCegarLoop]: Abstraction has has 700 places, 1011 transitions, 27728 flow [2021-03-26 17:49:23,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:23,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:23,116 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:23,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-03-26 17:49:23,116 INFO L428 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:23,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:23,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1082707306, now seen corresponding path program 3 times [2021-03-26 17:49:23,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:23,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469306014] [2021-03-26 17:49:23,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:23,125 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:23,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:23,130 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:23,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:23,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:23,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:23,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:23,159 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:49:23,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:49:23,178 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:49:23,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:49:23,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:23,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:23,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:23,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:23,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:23,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:23,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469306014] [2021-03-26 17:49:23,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:23,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:49:23,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398557813] [2021-03-26 17:49:23,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:49:23,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:23,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:49:23,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:49:23,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 141 [2021-03-26 17:49:23,249 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 1011 transitions, 27728 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:23,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:23,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 141 [2021-03-26 17:49:23,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:24,753 INFO L129 PetriNetUnfolder]: 1067/2136 cut-off events. [2021-03-26 17:49:24,754 INFO L130 PetriNetUnfolder]: For 213863/213884 co-relation queries the response was YES. [2021-03-26 17:49:24,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37602 conditions, 2136 events. 1067/2136 cut-off events. For 213863/213884 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 15285 event pairs, 177 based on Foata normal form. 14/2149 useless extension candidates. Maximal degree in co-relation 37320. Up to 1738 conditions per place. [2021-03-26 17:49:24,801 INFO L132 encePairwiseOnDemand]: 118/141 looper letters, 815 selfloop transitions, 256 changer transitions 5/1084 dead transitions. [2021-03-26 17:49:24,801 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 1084 transitions, 32127 flow [2021-03-26 17:49:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 17:49:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 17:49:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 680 transitions. [2021-03-26 17:49:24,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22965214454576158 [2021-03-26 17:49:24,803 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 680 transitions. [2021-03-26 17:49:24,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 680 transitions. [2021-03-26 17:49:24,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:24,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 680 transitions. [2021-03-26 17:49:24,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.38095238095238) internal successors, (680), 21 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:24,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 141.0) internal successors, (3102), 22 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:24,804 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 141.0) internal successors, (3102), 22 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:24,804 INFO L185 Difference]: Start difference. First operand has 700 places, 1011 transitions, 27728 flow. Second operand 21 states and 680 transitions. [2021-03-26 17:49:24,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 1084 transitions, 32127 flow [2021-03-26 17:49:25,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 712 places, 1084 transitions, 31074 flow, removed 414 selfloop flow, removed 8 redundant places. [2021-03-26 17:49:26,002 INFO L241 Difference]: Finished difference. Result has 718 places, 1044 transitions, 28702 flow [2021-03-26 17:49:26,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=26810, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=771, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=28702, PETRI_PLACES=718, PETRI_TRANSITIONS=1044} [2021-03-26 17:49:26,002 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 679 predicate places. [2021-03-26 17:49:26,002 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:26,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 718 places, 1044 transitions, 28702 flow [2021-03-26 17:49:26,003 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 718 places, 1044 transitions, 28702 flow [2021-03-26 17:49:26,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 715 places, 1044 transitions, 28702 flow [2021-03-26 17:49:26,503 INFO L129 PetriNetUnfolder]: 844/1806 cut-off events. [2021-03-26 17:49:26,503 INFO L130 PetriNetUnfolder]: For 180601/180856 co-relation queries the response was YES. [2021-03-26 17:49:26,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30386 conditions, 1806 events. 844/1806 cut-off events. For 180601/180856 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 13617 event pairs, 38 based on Foata normal form. 47/1832 useless extension candidates. Maximal degree in co-relation 30107. Up to 563 conditions per place. [2021-03-26 17:49:26,551 INFO L142 LiptonReduction]: Number of co-enabled transitions 808 [2021-03-26 17:49:26,864 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 17:49:26,865 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:49:26,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 863 [2021-03-26 17:49:26,865 INFO L480 AbstractCegarLoop]: Abstraction has has 715 places, 1044 transitions, 28738 flow [2021-03-26 17:49:26,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:26,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:26,865 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] [2021-03-26 17:49:26,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-03-26 17:49:26,865 INFO L428 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:26,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:26,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1825410373, now seen corresponding path program 1 times [2021-03-26 17:49:26,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:26,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914475115] [2021-03-26 17:49:26,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:26,871 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:26,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:26,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:26,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:26,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:26,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:26,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:26,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:26,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:26,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:26,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:26,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:26,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:26,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:26,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914475115] [2021-03-26 17:49:26,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:26,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:49:26,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742330632] [2021-03-26 17:49:26,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:49:26,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:26,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:49:26,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:49:26,961 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 17:49:26,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 715 places, 1044 transitions, 28738 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:26,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:26,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 17:49:26,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:28,596 INFO L129 PetriNetUnfolder]: 1092/2186 cut-off events. [2021-03-26 17:49:28,596 INFO L130 PetriNetUnfolder]: For 222047/222068 co-relation queries the response was YES. [2021-03-26 17:49:28,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38591 conditions, 2186 events. 1092/2186 cut-off events. For 222047/222068 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 15746 event pairs, 184 based on Foata normal form. 18/2203 useless extension candidates. Maximal degree in co-relation 38310. Up to 1820 conditions per place. [2021-03-26 17:49:28,647 INFO L132 encePairwiseOnDemand]: 111/143 looper letters, 827 selfloop transitions, 255 changer transitions 7/1097 dead transitions. [2021-03-26 17:49:28,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 1097 transitions, 32466 flow [2021-03-26 17:49:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:49:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:49:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 623 transitions. [2021-03-26 17:49:28,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.229297018770703 [2021-03-26 17:49:28,648 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 623 transitions. [2021-03-26 17:49:28,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 623 transitions. [2021-03-26 17:49:28,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:28,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 623 transitions. [2021-03-26 17:49:28,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.78947368421053) internal successors, (623), 19 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:28,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 143.0) internal successors, (2860), 20 states have internal predecessors, (2860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:28,650 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 143.0) internal successors, (2860), 20 states have internal predecessors, (2860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:28,650 INFO L185 Difference]: Start difference. First operand has 715 places, 1044 transitions, 28738 flow. Second operand 19 states and 623 transitions. [2021-03-26 17:49:28,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 1097 transitions, 32466 flow [2021-03-26 17:49:29,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 727 places, 1097 transitions, 31628 flow, removed 400 selfloop flow, removed 6 redundant places. [2021-03-26 17:49:29,857 INFO L241 Difference]: Finished difference. Result has 732 places, 1064 transitions, 29353 flow [2021-03-26 17:49:29,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=27906, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1044, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=790, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=29353, PETRI_PLACES=732, PETRI_TRANSITIONS=1064} [2021-03-26 17:49:29,857 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 693 predicate places. [2021-03-26 17:49:29,858 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:29,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 732 places, 1064 transitions, 29353 flow [2021-03-26 17:49:29,858 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 732 places, 1064 transitions, 29353 flow [2021-03-26 17:49:29,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 731 places, 1064 transitions, 29353 flow [2021-03-26 17:49:30,357 INFO L129 PetriNetUnfolder]: 867/1851 cut-off events. [2021-03-26 17:49:30,357 INFO L130 PetriNetUnfolder]: For 186285/186671 co-relation queries the response was YES. [2021-03-26 17:49:30,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31285 conditions, 1851 events. 867/1851 cut-off events. For 186285/186671 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 13965 event pairs, 54 based on Foata normal form. 37/1854 useless extension candidates. Maximal degree in co-relation 30981. Up to 573 conditions per place. [2021-03-26 17:49:30,406 INFO L142 LiptonReduction]: Number of co-enabled transitions 820 [2021-03-26 17:49:30,573 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:30,573 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:30,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 715 [2021-03-26 17:49:30,573 INFO L480 AbstractCegarLoop]: Abstraction has has 731 places, 1064 transitions, 29353 flow [2021-03-26 17:49:30,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:30,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:30,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:30,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-03-26 17:49:30,574 INFO L428 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:30,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:30,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1683383601, now seen corresponding path program 1 times [2021-03-26 17:49:30,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:30,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513304752] [2021-03-26 17:49:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:30,582 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:30,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:30,587 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:30,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:30,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:30,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:30,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:30,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:30,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:30,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:30,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:30,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:30,644 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:49:30,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:49:30,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:30,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:30,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:30,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:30,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:49:30,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:30,726 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:49:30,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:30,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513304752] [2021-03-26 17:49:30,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:30,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:49:30,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810628681] [2021-03-26 17:49:30,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:49:30,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:30,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:49:30,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:49:30,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 17:49:30,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 731 places, 1064 transitions, 29353 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:30,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:30,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 17:49:30,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:32,291 INFO L129 PetriNetUnfolder]: 1091/2190 cut-off events. [2021-03-26 17:49:32,291 INFO L130 PetriNetUnfolder]: For 215710/215731 co-relation queries the response was YES. [2021-03-26 17:49:32,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38715 conditions, 2190 events. 1091/2190 cut-off events. For 215710/215731 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 15807 event pairs, 127 based on Foata normal form. 18/2207 useless extension candidates. Maximal degree in co-relation 38397. Up to 1666 conditions per place. [2021-03-26 17:49:32,348 INFO L132 encePairwiseOnDemand]: 108/143 looper letters, 709 selfloop transitions, 368 changer transitions 2/1087 dead transitions. [2021-03-26 17:49:32,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 1087 transitions, 32499 flow [2021-03-26 17:49:32,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:49:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:49:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 548 transitions. [2021-03-26 17:49:32,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2395104895104895 [2021-03-26 17:49:32,350 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 548 transitions. [2021-03-26 17:49:32,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 548 transitions. [2021-03-26 17:49:32,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:32,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 548 transitions. [2021-03-26 17:49:32,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 34.25) internal successors, (548), 16 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:32,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 143.0) internal successors, (2431), 17 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:32,351 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 143.0) internal successors, (2431), 17 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:32,351 INFO L185 Difference]: Start difference. First operand has 731 places, 1064 transitions, 29353 flow. Second operand 16 states and 548 transitions. [2021-03-26 17:49:32,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 1087 transitions, 32499 flow [2021-03-26 17:49:33,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 733 places, 1087 transitions, 31923 flow, removed 98 selfloop flow, removed 13 redundant places. [2021-03-26 17:49:33,658 INFO L241 Difference]: Finished difference. Result has 735 places, 1069 transitions, 30099 flow [2021-03-26 17:49:33,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=28777, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=365, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=30099, PETRI_PLACES=735, PETRI_TRANSITIONS=1069} [2021-03-26 17:49:33,658 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 696 predicate places. [2021-03-26 17:49:33,658 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:33,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 735 places, 1069 transitions, 30099 flow [2021-03-26 17:49:33,659 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 735 places, 1069 transitions, 30099 flow [2021-03-26 17:49:33,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 734 places, 1069 transitions, 30099 flow [2021-03-26 17:49:34,103 INFO L129 PetriNetUnfolder]: 862/1850 cut-off events. [2021-03-26 17:49:34,103 INFO L130 PetriNetUnfolder]: For 198448/198741 co-relation queries the response was YES. [2021-03-26 17:49:34,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31918 conditions, 1850 events. 862/1850 cut-off events. For 198448/198741 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 14098 event pairs, 38 based on Foata normal form. 21/1838 useless extension candidates. Maximal degree in co-relation 31610. Up to 570 conditions per place. [2021-03-26 17:49:34,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 820 [2021-03-26 17:49:34,359 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:34,359 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:34,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 701 [2021-03-26 17:49:34,359 INFO L480 AbstractCegarLoop]: Abstraction has has 734 places, 1069 transitions, 30099 flow [2021-03-26 17:49:34,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:34,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:34,359 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] [2021-03-26 17:49:34,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-26 17:49:34,360 INFO L428 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:34,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:34,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1116547673, now seen corresponding path program 2 times [2021-03-26 17:49:34,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:34,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551095626] [2021-03-26 17:49:34,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:34,366 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:34,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:34,370 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:34,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:34,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:34,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:34,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:34,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:34,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:34,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:34,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:34,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:34,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:34,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:34,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:34,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:34,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:34,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:34,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:34,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:49:34,458 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:49:34,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:34,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551095626] [2021-03-26 17:49:34,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:34,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:49:34,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112228350] [2021-03-26 17:49:34,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:49:34,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:34,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:49:34,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:49:34,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 17:49:34,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 734 places, 1069 transitions, 30099 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:34,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:34,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 17:49:34,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:35,988 INFO L129 PetriNetUnfolder]: 1092/2198 cut-off events. [2021-03-26 17:49:35,988 INFO L130 PetriNetUnfolder]: For 217189/217217 co-relation queries the response was YES. [2021-03-26 17:49:36,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39366 conditions, 2198 events. 1092/2198 cut-off events. For 217189/217217 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 15934 event pairs, 148 based on Foata normal form. 25/2222 useless extension candidates. Maximal degree in co-relation 39046. Up to 1774 conditions per place. [2021-03-26 17:49:36,043 INFO L132 encePairwiseOnDemand]: 106/143 looper letters, 744 selfloop transitions, 329 changer transitions 5/1086 dead transitions. [2021-03-26 17:49:36,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 1086 transitions, 32768 flow [2021-03-26 17:49:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:49:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:49:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 563 transitions. [2021-03-26 17:49:36,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2315919374742904 [2021-03-26 17:49:36,045 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 563 transitions. [2021-03-26 17:49:36,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 563 transitions. [2021-03-26 17:49:36,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:36,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 563 transitions. [2021-03-26 17:49:36,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.11764705882353) internal successors, (563), 17 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:36,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 143.0) internal successors, (2574), 18 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:36,046 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 143.0) internal successors, (2574), 18 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:36,046 INFO L185 Difference]: Start difference. First operand has 734 places, 1069 transitions, 30099 flow. Second operand 17 states and 563 transitions. [2021-03-26 17:49:36,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 1086 transitions, 32768 flow [2021-03-26 17:49:37,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 1086 transitions, 31774 flow, removed 192 selfloop flow, removed 11 redundant places. [2021-03-26 17:49:37,525 INFO L241 Difference]: Finished difference. Result has 745 places, 1071 transitions, 29938 flow [2021-03-26 17:49:37,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=29107, PETRI_DIFFERENCE_MINUEND_PLACES=723, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1069, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=29938, PETRI_PLACES=745, PETRI_TRANSITIONS=1071} [2021-03-26 17:49:37,526 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 706 predicate places. [2021-03-26 17:49:37,526 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:37,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 1071 transitions, 29938 flow [2021-03-26 17:49:37,526 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 1071 transitions, 29938 flow [2021-03-26 17:49:37,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 741 places, 1071 transitions, 29938 flow [2021-03-26 17:49:37,983 INFO L129 PetriNetUnfolder]: 861/1850 cut-off events. [2021-03-26 17:49:37,983 INFO L130 PetriNetUnfolder]: For 194943/195215 co-relation queries the response was YES. [2021-03-26 17:49:38,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31983 conditions, 1850 events. 861/1850 cut-off events. For 194943/195215 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 14147 event pairs, 49 based on Foata normal form. 24/1840 useless extension candidates. Maximal degree in co-relation 31692. Up to 568 conditions per place. [2021-03-26 17:49:38,132 INFO L142 LiptonReduction]: Number of co-enabled transitions 820 [2021-03-26 17:49:38,243 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:38,243 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:38,243 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 717 [2021-03-26 17:49:38,244 INFO L480 AbstractCegarLoop]: Abstraction has has 741 places, 1071 transitions, 29938 flow [2021-03-26 17:49:38,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:38,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:38,244 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:38,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-03-26 17:49:38,244 INFO L428 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:38,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:38,244 INFO L82 PathProgramCache]: Analyzing trace with hash -2005394076, now seen corresponding path program 2 times [2021-03-26 17:49:38,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:38,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646622386] [2021-03-26 17:49:38,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:38,253 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:38,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:38,258 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:38,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:38,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:38,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:38,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:38,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:38,285 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:49:38,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:49:38,300 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:49:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:49:38,317 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:49:38,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:49:38,332 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:49:38,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:38,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:38,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:38,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:38,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:38,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:38,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:38,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646622386] [2021-03-26 17:49:38,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:38,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:49:38,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331944073] [2021-03-26 17:49:38,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:49:38,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:38,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:49:38,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:49:38,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 143 [2021-03-26 17:49:38,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 1071 transitions, 29938 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:38,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:38,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 143 [2021-03-26 17:49:38,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:39,906 INFO L129 PetriNetUnfolder]: 1100/2229 cut-off events. [2021-03-26 17:49:39,907 INFO L130 PetriNetUnfolder]: For 232451/232472 co-relation queries the response was YES. [2021-03-26 17:49:39,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40412 conditions, 2229 events. 1100/2229 cut-off events. For 232451/232472 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 16201 event pairs, 192 based on Foata normal form. 16/2243 useless extension candidates. Maximal degree in co-relation 40119. Up to 1960 conditions per place. [2021-03-26 17:49:39,962 INFO L132 encePairwiseOnDemand]: 119/143 looper letters, 931 selfloop transitions, 155 changer transitions 11/1105 dead transitions. [2021-03-26 17:49:39,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 758 places, 1105 transitions, 34138 flow [2021-03-26 17:49:39,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:49:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:49:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 584 transitions. [2021-03-26 17:49:39,964 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22688422688422688 [2021-03-26 17:49:39,964 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 584 transitions. [2021-03-26 17:49:39,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 584 transitions. [2021-03-26 17:49:39,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:39,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 584 transitions. [2021-03-26 17:49:39,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.44444444444444) internal successors, (584), 18 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:39,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 143.0) internal successors, (2717), 19 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:39,965 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 143.0) internal successors, (2717), 19 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:39,965 INFO L185 Difference]: Start difference. First operand has 741 places, 1071 transitions, 29938 flow. Second operand 18 states and 584 transitions. [2021-03-26 17:49:39,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 758 places, 1105 transitions, 34138 flow [2021-03-26 17:49:41,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 745 places, 1105 transitions, 33692 flow, removed 15 selfloop flow, removed 13 redundant places. [2021-03-26 17:49:41,486 INFO L241 Difference]: Finished difference. Result has 751 places, 1085 transitions, 30658 flow [2021-03-26 17:49:41,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=29504, PETRI_DIFFERENCE_MINUEND_PLACES=728, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=921, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=30658, PETRI_PLACES=751, PETRI_TRANSITIONS=1085} [2021-03-26 17:49:41,486 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 712 predicate places. [2021-03-26 17:49:41,486 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:41,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 751 places, 1085 transitions, 30658 flow [2021-03-26 17:49:41,487 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 751 places, 1085 transitions, 30658 flow [2021-03-26 17:49:41,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 745 places, 1085 transitions, 30658 flow [2021-03-26 17:49:41,950 INFO L129 PetriNetUnfolder]: 864/1865 cut-off events. [2021-03-26 17:49:41,950 INFO L130 PetriNetUnfolder]: For 203314/203669 co-relation queries the response was YES. [2021-03-26 17:49:41,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32514 conditions, 1865 events. 864/1865 cut-off events. For 203314/203669 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 14261 event pairs, 46 based on Foata normal form. 40/1877 useless extension candidates. Maximal degree in co-relation 32220. Up to 571 conditions per place. [2021-03-26 17:49:42,090 INFO L142 LiptonReduction]: Number of co-enabled transitions 820 [2021-03-26 17:49:42,630 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:42,630 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:49:42,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1144 [2021-03-26 17:49:42,630 INFO L480 AbstractCegarLoop]: Abstraction has has 745 places, 1085 transitions, 30710 flow [2021-03-26 17:49:42,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:42,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:42,631 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] [2021-03-26 17:49:42,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-03-26 17:49:42,631 INFO L428 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:42,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:42,631 INFO L82 PathProgramCache]: Analyzing trace with hash 874650765, now seen corresponding path program 3 times [2021-03-26 17:49:42,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:42,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432877250] [2021-03-26 17:49:42,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:42,637 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:42,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:42,642 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:42,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:42,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:42,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:42,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:42,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:42,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:42,676 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:49:42,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:49:42,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:42,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:49:42,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:42,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:42,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:42,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:49:42,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:42,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:49:42,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:49:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:42,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432877250] [2021-03-26 17:49:42,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:42,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:49:42,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853483925] [2021-03-26 17:49:42,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:49:42,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:42,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:49:42,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:49:42,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 145 [2021-03-26 17:49:42,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 1085 transitions, 30710 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:42,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:42,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 145 [2021-03-26 17:49:42,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:44,418 INFO L129 PetriNetUnfolder]: 1098/2225 cut-off events. [2021-03-26 17:49:44,418 INFO L130 PetriNetUnfolder]: For 240184/240188 co-relation queries the response was YES. [2021-03-26 17:49:44,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40620 conditions, 2225 events. 1098/2225 cut-off events. For 240184/240188 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 16200 event pairs, 174 based on Foata normal form. 5/2229 useless extension candidates. Maximal degree in co-relation 40319. Up to 1986 conditions per place. [2021-03-26 17:49:44,472 INFO L132 encePairwiseOnDemand]: 127/145 looper letters, 1013 selfloop transitions, 80 changer transitions 2/1103 dead transitions. [2021-03-26 17:49:44,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 760 places, 1103 transitions, 33531 flow [2021-03-26 17:49:44,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:49:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:49:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 518 transitions. [2021-03-26 17:49:44,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22327586206896552 [2021-03-26 17:49:44,498 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 518 transitions. [2021-03-26 17:49:44,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 518 transitions. [2021-03-26 17:49:44,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:44,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 518 transitions. [2021-03-26 17:49:44,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.375) internal successors, (518), 16 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:44,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 145.0) internal successors, (2465), 17 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:44,500 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 145.0) internal successors, (2465), 17 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:44,500 INFO L185 Difference]: Start difference. First operand has 745 places, 1085 transitions, 30710 flow. Second operand 16 states and 518 transitions. [2021-03-26 17:49:44,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 760 places, 1103 transitions, 33531 flow [2021-03-26 17:49:46,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 755 places, 1103 transitions, 32899 flow, removed 266 selfloop flow, removed 5 redundant places. [2021-03-26 17:49:46,154 INFO L241 Difference]: Finished difference. Result has 760 places, 1093 transitions, 30630 flow [2021-03-26 17:49:46,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=30082, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1085, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1010, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=30630, PETRI_PLACES=760, PETRI_TRANSITIONS=1093} [2021-03-26 17:49:46,154 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 721 predicate places. [2021-03-26 17:49:46,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:46,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 760 places, 1093 transitions, 30630 flow [2021-03-26 17:49:46,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 760 places, 1093 transitions, 30630 flow [2021-03-26 17:49:46,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 759 places, 1093 transitions, 30630 flow [2021-03-26 17:49:46,675 INFO L129 PetriNetUnfolder]: 877/1893 cut-off events. [2021-03-26 17:49:46,676 INFO L130 PetriNetUnfolder]: For 210624/210894 co-relation queries the response was YES. [2021-03-26 17:49:46,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33167 conditions, 1893 events. 877/1893 cut-off events. For 210624/210894 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 14553 event pairs, 59 based on Foata normal form. 23/1878 useless extension candidates. Maximal degree in co-relation 32867. Up to 586 conditions per place. [2021-03-26 17:49:46,733 INFO L142 LiptonReduction]: Number of co-enabled transitions 830 [2021-03-26 17:49:47,064 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:49:47,064 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:49:47,065 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 911 [2021-03-26 17:49:47,065 INFO L480 AbstractCegarLoop]: Abstraction has has 759 places, 1093 transitions, 30713 flow [2021-03-26 17:49:47,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:47,065 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:47,065 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:47,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-03-26 17:49:47,065 INFO L428 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:47,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:47,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1342196800, now seen corresponding path program 1 times [2021-03-26 17:49:47,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:47,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509731028] [2021-03-26 17:49:47,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:47,077 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:47,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:47,082 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:47,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:47,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:47,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:47,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:47,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:47,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:47,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:47,114 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-26 17:49:47,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:49:47,135 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:49:47,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:49:47,157 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:49:47,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:49:47,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:47,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:47,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509731028] [2021-03-26 17:49:47,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:47,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:49:47,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968375412] [2021-03-26 17:49:47,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:49:47,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:47,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:49:47,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:49:47,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:49:47,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 1093 transitions, 30713 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:47,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:47,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:49:47,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:48,707 INFO L129 PetriNetUnfolder]: 1099/2230 cut-off events. [2021-03-26 17:49:48,707 INFO L130 PetriNetUnfolder]: For 250727/250731 co-relation queries the response was YES. [2021-03-26 17:49:48,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40987 conditions, 2230 events. 1099/2230 cut-off events. For 250727/250731 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 16324 event pairs, 193 based on Foata normal form. 5/2233 useless extension candidates. Maximal degree in co-relation 40684. Up to 2014 conditions per place. [2021-03-26 17:49:48,766 INFO L132 encePairwiseOnDemand]: 124/147 looper letters, 991 selfloop transitions, 104 changer transitions 2/1105 dead transitions. [2021-03-26 17:49:48,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 769 places, 1105 transitions, 33506 flow [2021-03-26 17:49:48,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:49:48,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:49:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 385 transitions. [2021-03-26 17:49:48,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23809523809523808 [2021-03-26 17:49:48,767 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 385 transitions. [2021-03-26 17:49:48,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 385 transitions. [2021-03-26 17:49:48,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:48,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 385 transitions. [2021-03-26 17:49:48,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 35.0) internal successors, (385), 11 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:48,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:48,768 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:48,768 INFO L185 Difference]: Start difference. First operand has 759 places, 1093 transitions, 30713 flow. Second operand 11 states and 385 transitions. [2021-03-26 17:49:48,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 769 places, 1105 transitions, 33506 flow [2021-03-26 17:49:50,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 758 places, 1105 transitions, 33026 flow, removed 175 selfloop flow, removed 11 redundant places. [2021-03-26 17:49:50,474 INFO L241 Difference]: Finished difference. Result has 761 places, 1096 transitions, 30686 flow [2021-03-26 17:49:50,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30235, PETRI_DIFFERENCE_MINUEND_PLACES=748, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1093, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=990, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30686, PETRI_PLACES=761, PETRI_TRANSITIONS=1096} [2021-03-26 17:49:50,474 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 722 predicate places. [2021-03-26 17:49:50,474 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:50,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 761 places, 1096 transitions, 30686 flow [2021-03-26 17:49:50,475 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 761 places, 1096 transitions, 30686 flow [2021-03-26 17:49:50,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 760 places, 1096 transitions, 30686 flow [2021-03-26 17:49:50,978 INFO L129 PetriNetUnfolder]: 879/1895 cut-off events. [2021-03-26 17:49:50,978 INFO L130 PetriNetUnfolder]: For 218338/218743 co-relation queries the response was YES. [2021-03-26 17:49:51,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33315 conditions, 1895 events. 879/1895 cut-off events. For 218338/218743 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 14550 event pairs, 61 based on Foata normal form. 64/1926 useless extension candidates. Maximal degree in co-relation 32994. Up to 584 conditions per place. [2021-03-26 17:49:51,036 INFO L142 LiptonReduction]: Number of co-enabled transitions 830 [2021-03-26 17:49:51,153 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:51,154 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:51,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 680 [2021-03-26 17:49:51,154 INFO L480 AbstractCegarLoop]: Abstraction has has 760 places, 1096 transitions, 30686 flow [2021-03-26 17:49:51,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:51,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:51,154 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:51,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-03-26 17:49:51,154 INFO L428 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:51,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:51,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1292499502, now seen corresponding path program 1 times [2021-03-26 17:49:51,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:51,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106212351] [2021-03-26 17:49:51,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:51,168 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:51,172 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:51,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:51,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:51,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:51,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:51,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:51,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:51,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:49:51,210 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:49:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:49:51,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:51,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:49:51,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:51,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:51,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106212351] [2021-03-26 17:49:51,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:51,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:49:51,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685265255] [2021-03-26 17:49:51,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:49:51,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:51,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:49:51,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:49:51,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:49:51,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 760 places, 1096 transitions, 30686 flow. Second operand has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:49:51,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:51,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:49:51,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:52,611 INFO L129 PetriNetUnfolder]: 1098/2227 cut-off events. [2021-03-26 17:49:52,611 INFO L130 PetriNetUnfolder]: For 249511/249532 co-relation queries the response was YES. [2021-03-26 17:49:52,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41020 conditions, 2227 events. 1098/2227 cut-off events. For 249511/249532 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 16278 event pairs, 157 based on Foata normal form. 18/2244 useless extension candidates. Maximal degree in co-relation 40686. Up to 1992 conditions per place. [2021-03-26 17:49:52,664 INFO L132 encePairwiseOnDemand]: 129/147 looper letters, 1018 selfloop transitions, 78 changer transitions 1/1105 dead transitions. [2021-03-26 17:49:52,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 1105 transitions, 33061 flow [2021-03-26 17:49:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:49:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:49:52,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 412 transitions. [2021-03-26 17:49:52,666 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23356009070294784 [2021-03-26 17:49:52,666 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 412 transitions. [2021-03-26 17:49:52,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 412 transitions. [2021-03-26 17:49:52,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:52,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 412 transitions. [2021-03-26 17:49:52,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 34.333333333333336) internal successors, (412), 12 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:52,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:52,667 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:52,667 INFO L185 Difference]: Start difference. First operand has 760 places, 1096 transitions, 30686 flow. Second operand 12 states and 412 transitions. [2021-03-26 17:49:52,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 1105 transitions, 33061 flow [2021-03-26 17:49:54,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 1105 transitions, 32702 flow, removed 97 selfloop flow, removed 7 redundant places. [2021-03-26 17:49:54,358 INFO L241 Difference]: Finished difference. Result has 765 places, 1095 transitions, 30501 flow [2021-03-26 17:49:54,359 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30327, PETRI_DIFFERENCE_MINUEND_PLACES=753, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1096, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1018, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30501, PETRI_PLACES=765, PETRI_TRANSITIONS=1095} [2021-03-26 17:49:54,359 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 726 predicate places. [2021-03-26 17:49:54,359 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:54,359 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 1095 transitions, 30501 flow [2021-03-26 17:49:54,359 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 1095 transitions, 30501 flow [2021-03-26 17:49:54,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 1095 transitions, 30501 flow [2021-03-26 17:49:54,872 INFO L129 PetriNetUnfolder]: 870/1886 cut-off events. [2021-03-26 17:49:54,872 INFO L130 PetriNetUnfolder]: For 210232/210603 co-relation queries the response was YES. [2021-03-26 17:49:54,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32918 conditions, 1886 events. 870/1886 cut-off events. For 210232/210603 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 14501 event pairs, 64 based on Foata normal form. 55/1907 useless extension candidates. Maximal degree in co-relation 32596. Up to 573 conditions per place. [2021-03-26 17:49:54,932 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-26 17:49:55,052 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:55,052 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:55,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 694 [2021-03-26 17:49:55,053 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 1095 transitions, 30501 flow [2021-03-26 17:49:55,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.11111111111111) internal successors, (244), 9 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) [2021-03-26 17:49:55,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:55,053 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:55,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-26 17:49:55,053 INFO L428 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:55,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:55,053 INFO L82 PathProgramCache]: Analyzing trace with hash -2351598, now seen corresponding path program 2 times [2021-03-26 17:49:55,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:55,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736231968] [2021-03-26 17:49:55,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:55,063 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:55,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:55,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:55,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:55,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:55,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:55,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:55,100 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-26 17:49:55,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:49:55,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:55,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:49:55,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:55,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:55,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736231968] [2021-03-26 17:49:55,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:55,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:49:55,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847832646] [2021-03-26 17:49:55,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:49:55,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:55,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:49:55,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:49:55,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:49:55,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 1095 transitions, 30501 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:55,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:55,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:49:55,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:49:56,558 INFO L129 PetriNetUnfolder]: 1097/2230 cut-off events. [2021-03-26 17:49:56,559 INFO L130 PetriNetUnfolder]: For 254052/254073 co-relation queries the response was YES. [2021-03-26 17:49:56,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41138 conditions, 2230 events. 1097/2230 cut-off events. For 254052/254073 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 16326 event pairs, 204 based on Foata normal form. 12/2239 useless extension candidates. Maximal degree in co-relation 40803. Up to 1991 conditions per place. [2021-03-26 17:49:56,613 INFO L132 encePairwiseOnDemand]: 122/147 looper letters, 949 selfloop transitions, 144 changer transitions 3/1104 dead transitions. [2021-03-26 17:49:56,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 775 places, 1104 transitions, 33204 flow [2021-03-26 17:49:56,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:49:56,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:49:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 383 transitions. [2021-03-26 17:49:56,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23685837971552257 [2021-03-26 17:49:56,615 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 383 transitions. [2021-03-26 17:49:56,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 383 transitions. [2021-03-26 17:49:56,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:49:56,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 383 transitions. [2021-03-26 17:49:56,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 34.81818181818182) internal successors, (383), 11 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:56,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:56,616 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:56,616 INFO L185 Difference]: Start difference. First operand has 765 places, 1095 transitions, 30501 flow. Second operand 11 states and 383 transitions. [2021-03-26 17:49:56,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 775 places, 1104 transitions, 33204 flow [2021-03-26 17:49:58,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 1104 transitions, 33029 flow, removed 1 selfloop flow, removed 11 redundant places. [2021-03-26 17:49:58,245 INFO L241 Difference]: Finished difference. Result has 767 places, 1095 transitions, 30781 flow [2021-03-26 17:49:58,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30326, PETRI_DIFFERENCE_MINUEND_PLACES=754, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1095, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=951, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30781, PETRI_PLACES=767, PETRI_TRANSITIONS=1095} [2021-03-26 17:49:58,245 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 728 predicate places. [2021-03-26 17:49:58,245 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:49:58,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 767 places, 1095 transitions, 30781 flow [2021-03-26 17:49:58,246 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 767 places, 1095 transitions, 30781 flow [2021-03-26 17:49:58,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 1095 transitions, 30781 flow [2021-03-26 17:49:58,782 INFO L129 PetriNetUnfolder]: 869/1887 cut-off events. [2021-03-26 17:49:58,783 INFO L130 PetriNetUnfolder]: For 220720/221149 co-relation queries the response was YES. [2021-03-26 17:49:58,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33370 conditions, 1887 events. 869/1887 cut-off events. For 220720/221149 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 14527 event pairs, 50 based on Foata normal form. 59/1915 useless extension candidates. Maximal degree in co-relation 33065. Up to 578 conditions per place. [2021-03-26 17:49:58,839 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-26 17:49:58,955 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:49:58,955 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:49:58,955 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 710 [2021-03-26 17:49:58,955 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 1095 transitions, 30781 flow [2021-03-26 17:49:58,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:58,955 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:49:58,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:49:58,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-03-26 17:49:58,956 INFO L428 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:49:58,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:49:58,956 INFO L82 PathProgramCache]: Analyzing trace with hash -857658252, now seen corresponding path program 3 times [2021-03-26 17:49:58,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:49:58,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891427951] [2021-03-26 17:49:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:49:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:49:58,966 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:49:58,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:58,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:49:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:49:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:49:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:58,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:49:58,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:58,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:49:59,006 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-26 17:49:59,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:49:59,027 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:49:59,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:49:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:49:59,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:49:59,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:49:59,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891427951] [2021-03-26 17:49:59,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:49:59,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:49:59,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437362631] [2021-03-26 17:49:59,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:49:59,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:49:59,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:49:59,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:49:59,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:49:59,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 1095 transitions, 30781 flow. Second operand has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:49:59,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:49:59,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:49:59,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:00,424 INFO L129 PetriNetUnfolder]: 1096/2225 cut-off events. [2021-03-26 17:50:00,425 INFO L130 PetriNetUnfolder]: For 260593/260625 co-relation queries the response was YES. [2021-03-26 17:50:00,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41385 conditions, 2225 events. 1096/2225 cut-off events. For 260593/260625 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 16290 event pairs, 168 based on Foata normal form. 13/2234 useless extension candidates. Maximal degree in co-relation 41077. Up to 2034 conditions per place. [2021-03-26 17:50:00,481 INFO L132 encePairwiseOnDemand]: 124/147 looper letters, 999 selfloop transitions, 88 changer transitions 4/1099 dead transitions. [2021-03-26 17:50:00,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 776 places, 1099 transitions, 33094 flow [2021-03-26 17:50:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 17:50:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 17:50:00,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 372 transitions. [2021-03-26 17:50:00,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2300556586270872 [2021-03-26 17:50:00,483 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 372 transitions. [2021-03-26 17:50:00,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 372 transitions. [2021-03-26 17:50:00,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:00,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 372 transitions. [2021-03-26 17:50:00,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 33.81818181818182) internal successors, (372), 11 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:00,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:00,484 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:00,484 INFO L185 Difference]: Start difference. First operand has 766 places, 1095 transitions, 30781 flow. Second operand 11 states and 372 transitions. [2021-03-26 17:50:00,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 776 places, 1099 transitions, 33094 flow [2021-03-26 17:50:02,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 1099 transitions, 32696 flow, removed 55 selfloop flow, removed 12 redundant places. [2021-03-26 17:50:02,125 INFO L241 Difference]: Finished difference. Result has 765 places, 1091 transitions, 30502 flow [2021-03-26 17:50:02,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30391, PETRI_DIFFERENCE_MINUEND_PLACES=754, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1095, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30502, PETRI_PLACES=765, PETRI_TRANSITIONS=1091} [2021-03-26 17:50:02,126 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 726 predicate places. [2021-03-26 17:50:02,126 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:02,126 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 1091 transitions, 30502 flow [2021-03-26 17:50:02,126 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 1091 transitions, 30502 flow [2021-03-26 17:50:02,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 759 places, 1091 transitions, 30502 flow [2021-03-26 17:50:02,671 INFO L129 PetriNetUnfolder]: 873/1886 cut-off events. [2021-03-26 17:50:02,671 INFO L130 PetriNetUnfolder]: For 209331/209625 co-relation queries the response was YES. [2021-03-26 17:50:02,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33013 conditions, 1886 events. 873/1886 cut-off events. For 209331/209625 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 14502 event pairs, 65 based on Foata normal form. 38/1887 useless extension candidates. Maximal degree in co-relation 32711. Up to 577 conditions per place. [2021-03-26 17:50:02,728 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-26 17:50:02,846 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:02,846 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:02,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 720 [2021-03-26 17:50:02,846 INFO L480 AbstractCegarLoop]: Abstraction has has 759 places, 1091 transitions, 30502 flow [2021-03-26 17:50:02,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.0) internal successors, (270), 10 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:02,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:02,846 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:02,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-03-26 17:50:02,847 INFO L428 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:02,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:02,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1415241300, now seen corresponding path program 1 times [2021-03-26 17:50:02,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:02,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623862441] [2021-03-26 17:50:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:02,858 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:02,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:02,862 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:02,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:02,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:02,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:02,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:02,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:02,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:02,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:02,897 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:50:02,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:50:02,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:02,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:50:02,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:02,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:02,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:02,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:02,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:02,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:02,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623862441] [2021-03-26 17:50:02,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:02,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:50:02,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304619645] [2021-03-26 17:50:02,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:50:02,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:02,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:50:02,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:50:02,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:50:02,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 1091 transitions, 30502 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:02,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:02,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:50:02,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:04,381 INFO L129 PetriNetUnfolder]: 1098/2231 cut-off events. [2021-03-26 17:50:04,381 INFO L130 PetriNetUnfolder]: For 245627/245648 co-relation queries the response was YES. [2021-03-26 17:50:04,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40977 conditions, 2231 events. 1098/2231 cut-off events. For 245627/245648 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 16384 event pairs, 149 based on Foata normal form. 18/2248 useless extension candidates. Maximal degree in co-relation 40672. Up to 1992 conditions per place. [2021-03-26 17:50:04,440 INFO L132 encePairwiseOnDemand]: 129/147 looper letters, 1015 selfloop transitions, 81 changer transitions 2/1106 dead transitions. [2021-03-26 17:50:04,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 772 places, 1106 transitions, 33169 flow [2021-03-26 17:50:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:50:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:50:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 463 transitions. [2021-03-26 17:50:04,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2249757045675413 [2021-03-26 17:50:04,441 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 463 transitions. [2021-03-26 17:50:04,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 463 transitions. [2021-03-26 17:50:04,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:04,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 463 transitions. [2021-03-26 17:50:04,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.07142857142857) internal successors, (463), 14 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:04,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 147.0) internal successors, (2205), 15 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:04,443 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 147.0) internal successors, (2205), 15 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:04,443 INFO L185 Difference]: Start difference. First operand has 759 places, 1091 transitions, 30502 flow. Second operand 14 states and 463 transitions. [2021-03-26 17:50:04,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 772 places, 1106 transitions, 33169 flow [2021-03-26 17:50:06,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 761 places, 1106 transitions, 32875 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-26 17:50:06,040 INFO L241 Difference]: Finished difference. Result has 765 places, 1096 transitions, 30673 flow [2021-03-26 17:50:06,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30214, PETRI_DIFFERENCE_MINUEND_PLACES=748, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1091, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1013, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30673, PETRI_PLACES=765, PETRI_TRANSITIONS=1096} [2021-03-26 17:50:06,040 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 726 predicate places. [2021-03-26 17:50:06,040 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:06,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 1096 transitions, 30673 flow [2021-03-26 17:50:06,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 1096 transitions, 30673 flow [2021-03-26 17:50:06,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 763 places, 1096 transitions, 30673 flow [2021-03-26 17:50:06,583 INFO L129 PetriNetUnfolder]: 869/1894 cut-off events. [2021-03-26 17:50:06,583 INFO L130 PetriNetUnfolder]: For 208800/209302 co-relation queries the response was YES. [2021-03-26 17:50:06,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32992 conditions, 1894 events. 869/1894 cut-off events. For 208800/209302 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 14632 event pairs, 47 based on Foata normal form. 50/1912 useless extension candidates. Maximal degree in co-relation 32690. Up to 574 conditions per place. [2021-03-26 17:50:06,642 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-26 17:50:06,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:06,759 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:06,760 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 720 [2021-03-26 17:50:06,760 INFO L480 AbstractCegarLoop]: Abstraction has has 763 places, 1096 transitions, 30673 flow [2021-03-26 17:50:06,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:06,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:06,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:06,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-03-26 17:50:06,760 INFO L428 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:06,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:06,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1160110026, now seen corresponding path program 2 times [2021-03-26 17:50:06,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:06,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769347541] [2021-03-26 17:50:06,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:06,770 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:06,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:06,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:06,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:06,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:06,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:06,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:06,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:06,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:06,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:06,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:06,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:06,834 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:50:06,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:50:06,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:06,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:06,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:06,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:06,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:06,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:06,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769347541] [2021-03-26 17:50:06,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:06,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:50:06,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78436295] [2021-03-26 17:50:06,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:50:06,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:06,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:50:06,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:50:06,882 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:50:06,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 763 places, 1096 transitions, 30673 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:06,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:06,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:50:06,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:08,320 INFO L129 PetriNetUnfolder]: 1100/2237 cut-off events. [2021-03-26 17:50:08,320 INFO L130 PetriNetUnfolder]: For 246588/246609 co-relation queries the response was YES. [2021-03-26 17:50:08,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40929 conditions, 2237 events. 1100/2237 cut-off events. For 246588/246609 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 16358 event pairs, 192 based on Foata normal form. 14/2250 useless extension candidates. Maximal degree in co-relation 40624. Up to 2046 conditions per place. [2021-03-26 17:50:08,377 INFO L132 encePairwiseOnDemand]: 132/147 looper letters, 1061 selfloop transitions, 42 changer transitions 2/1113 dead transitions. [2021-03-26 17:50:08,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 775 places, 1113 transitions, 33392 flow [2021-03-26 17:50:08,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:50:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:50:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 425 transitions. [2021-03-26 17:50:08,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22239665096807953 [2021-03-26 17:50:08,378 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 425 transitions. [2021-03-26 17:50:08,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 425 transitions. [2021-03-26 17:50:08,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:08,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 425 transitions. [2021-03-26 17:50:08,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.69230769230769) internal successors, (425), 13 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:08,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 147.0) internal successors, (2058), 14 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:08,380 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 147.0) internal successors, (2058), 14 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:08,380 INFO L185 Difference]: Start difference. First operand has 763 places, 1096 transitions, 30673 flow. Second operand 13 states and 425 transitions. [2021-03-26 17:50:08,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 775 places, 1113 transitions, 33392 flow [2021-03-26 17:50:09,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 765 places, 1113 transitions, 33025 flow, removed 116 selfloop flow, removed 10 redundant places. [2021-03-26 17:50:09,963 INFO L241 Difference]: Finished difference. Result has 768 places, 1098 transitions, 30591 flow [2021-03-26 17:50:09,963 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30320, PETRI_DIFFERENCE_MINUEND_PLACES=753, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1096, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30591, PETRI_PLACES=768, PETRI_TRANSITIONS=1098} [2021-03-26 17:50:09,963 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 729 predicate places. [2021-03-26 17:50:09,963 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:09,963 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 768 places, 1098 transitions, 30591 flow [2021-03-26 17:50:09,963 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 768 places, 1098 transitions, 30591 flow [2021-03-26 17:50:09,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 1098 transitions, 30591 flow [2021-03-26 17:50:10,505 INFO L129 PetriNetUnfolder]: 879/1909 cut-off events. [2021-03-26 17:50:10,505 INFO L130 PetriNetUnfolder]: For 212791/213301 co-relation queries the response was YES. [2021-03-26 17:50:10,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33204 conditions, 1909 events. 879/1909 cut-off events. For 212791/213301 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 14704 event pairs, 55 based on Foata normal form. 51/1923 useless extension candidates. Maximal degree in co-relation 32901. Up to 582 conditions per place. [2021-03-26 17:50:10,559 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-26 17:50:10,677 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:10,677 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:10,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 714 [2021-03-26 17:50:10,678 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 1098 transitions, 30591 flow [2021-03-26 17:50:10,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:10,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:10,678 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:10,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-03-26 17:50:10,678 INFO L428 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:10,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:10,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1635002788, now seen corresponding path program 3 times [2021-03-26 17:50:10,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:10,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219260271] [2021-03-26 17:50:10,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:10,684 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:10,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:10,688 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:10,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:10,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:10,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:10,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:10,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:10,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:10,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:10,726 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:50:10,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:50:10,747 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:50:10,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:50:10,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:10,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:10,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:10,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:10,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:10,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:10,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219260271] [2021-03-26 17:50:10,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:10,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:50:10,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299564133] [2021-03-26 17:50:10,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:50:10,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:10,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:50:10,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:50:10,792 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:50:10,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 1098 transitions, 30591 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:10,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:10,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:50:10,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:12,288 INFO L129 PetriNetUnfolder]: 1099/2237 cut-off events. [2021-03-26 17:50:12,288 INFO L130 PetriNetUnfolder]: For 243899/243920 co-relation queries the response was YES. [2021-03-26 17:50:12,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40830 conditions, 2237 events. 1099/2237 cut-off events. For 243899/243920 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 16420 event pairs, 154 based on Foata normal form. 18/2254 useless extension candidates. Maximal degree in co-relation 40525. Up to 1994 conditions per place. [2021-03-26 17:50:12,344 INFO L132 encePairwiseOnDemand]: 129/147 looper letters, 1015 selfloop transitions, 86 changer transitions 3/1112 dead transitions. [2021-03-26 17:50:12,344 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 780 places, 1112 transitions, 33234 flow [2021-03-26 17:50:12,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:50:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:50:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 491 transitions. [2021-03-26 17:50:12,345 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22267573696145124 [2021-03-26 17:50:12,345 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 491 transitions. [2021-03-26 17:50:12,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 491 transitions. [2021-03-26 17:50:12,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:12,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 491 transitions. [2021-03-26 17:50:12,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.733333333333334) internal successors, (491), 15 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:12,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 147.0) internal successors, (2352), 16 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:12,347 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 147.0) internal successors, (2352), 16 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:12,347 INFO L185 Difference]: Start difference. First operand has 766 places, 1098 transitions, 30591 flow. Second operand 15 states and 491 transitions. [2021-03-26 17:50:12,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 780 places, 1112 transitions, 33234 flow [2021-03-26 17:50:13,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 770 places, 1112 transitions, 33029 flow, removed 65 selfloop flow, removed 10 redundant places. [2021-03-26 17:50:13,981 INFO L241 Difference]: Finished difference. Result has 772 places, 1100 transitions, 30730 flow [2021-03-26 17:50:13,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30386, PETRI_DIFFERENCE_MINUEND_PLACES=756, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=30730, PETRI_PLACES=772, PETRI_TRANSITIONS=1100} [2021-03-26 17:50:13,982 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 733 predicate places. [2021-03-26 17:50:13,982 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:13,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 772 places, 1100 transitions, 30730 flow [2021-03-26 17:50:13,982 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 772 places, 1100 transitions, 30730 flow [2021-03-26 17:50:13,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 769 places, 1100 transitions, 30730 flow [2021-03-26 17:50:14,517 INFO L129 PetriNetUnfolder]: 875/1902 cut-off events. [2021-03-26 17:50:14,517 INFO L130 PetriNetUnfolder]: For 214860/215355 co-relation queries the response was YES. [2021-03-26 17:50:14,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33228 conditions, 1902 events. 875/1902 cut-off events. For 214860/215355 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 14718 event pairs, 43 based on Foata normal form. 51/1917 useless extension candidates. Maximal degree in co-relation 32925. Up to 582 conditions per place. [2021-03-26 17:50:14,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 822 [2021-03-26 17:50:14,690 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:14,690 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:14,690 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 708 [2021-03-26 17:50:14,691 INFO L480 AbstractCegarLoop]: Abstraction has has 769 places, 1100 transitions, 30730 flow [2021-03-26 17:50:14,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:14,691 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:14,691 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:14,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-03-26 17:50:14,691 INFO L428 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:14,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:14,691 INFO L82 PathProgramCache]: Analyzing trace with hash 695242475, now seen corresponding path program 1 times [2021-03-26 17:50:14,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:14,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277807095] [2021-03-26 17:50:14,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:14,697 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:14,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:14,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:14,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:14,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:14,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:14,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:14,724 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:50:14,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:50:14,737 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:50:14,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:50:14,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:14,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:50:14,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:14,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:14,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:14,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:14,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:14,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:14,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277807095] [2021-03-26 17:50:14,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:14,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:50:14,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701094993] [2021-03-26 17:50:14,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:50:14,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:14,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:50:14,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:50:14,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:50:14,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 1100 transitions, 30730 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:14,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:14,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:50:14,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:16,149 INFO L129 PetriNetUnfolder]: 1099/2234 cut-off events. [2021-03-26 17:50:16,149 INFO L130 PetriNetUnfolder]: For 247613/247634 co-relation queries the response was YES. [2021-03-26 17:50:16,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40920 conditions, 2234 events. 1099/2234 cut-off events. For 247613/247634 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 16359 event pairs, 197 based on Foata normal form. 12/2243 useless extension candidates. Maximal degree in co-relation 40614. Up to 2003 conditions per place. [2021-03-26 17:50:16,205 INFO L132 encePairwiseOnDemand]: 123/147 looper letters, 957 selfloop transitions, 142 changer transitions 2/1109 dead transitions. [2021-03-26 17:50:16,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 1109 transitions, 33348 flow [2021-03-26 17:50:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 17:50:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 17:50:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 354 transitions. [2021-03-26 17:50:16,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.24081632653061225 [2021-03-26 17:50:16,207 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 354 transitions. [2021-03-26 17:50:16,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 354 transitions. [2021-03-26 17:50:16,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:16,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 354 transitions. [2021-03-26 17:50:16,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 35.4) internal successors, (354), 10 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:16,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 147.0) internal successors, (1617), 11 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:16,208 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 147.0) internal successors, (1617), 11 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:16,208 INFO L185 Difference]: Start difference. First operand has 769 places, 1100 transitions, 30730 flow. Second operand 10 states and 354 transitions. [2021-03-26 17:50:16,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 778 places, 1109 transitions, 33348 flow [2021-03-26 17:50:17,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 766 places, 1109 transitions, 33023 flow, removed 93 selfloop flow, removed 12 redundant places. [2021-03-26 17:50:17,883 INFO L241 Difference]: Finished difference. Result has 769 places, 1102 transitions, 30916 flow [2021-03-26 17:50:17,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30405, PETRI_DIFFERENCE_MINUEND_PLACES=757, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=959, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=30916, PETRI_PLACES=769, PETRI_TRANSITIONS=1102} [2021-03-26 17:50:17,883 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 730 predicate places. [2021-03-26 17:50:17,883 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:17,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 1102 transitions, 30916 flow [2021-03-26 17:50:17,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 1102 transitions, 30916 flow [2021-03-26 17:50:17,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 768 places, 1102 transitions, 30916 flow [2021-03-26 17:50:18,429 INFO L129 PetriNetUnfolder]: 867/1896 cut-off events. [2021-03-26 17:50:18,429 INFO L130 PetriNetUnfolder]: For 217669/218195 co-relation queries the response was YES. [2021-03-26 17:50:18,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33222 conditions, 1896 events. 867/1896 cut-off events. For 217669/218195 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 14676 event pairs, 52 based on Foata normal form. 53/1926 useless extension candidates. Maximal degree in co-relation 32899. Up to 575 conditions per place. [2021-03-26 17:50:18,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 822 [2021-03-26 17:50:18,604 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:18,604 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:18,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 721 [2021-03-26 17:50:18,604 INFO L480 AbstractCegarLoop]: Abstraction has has 768 places, 1102 transitions, 30916 flow [2021-03-26 17:50:18,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:18,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:18,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:18,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-03-26 17:50:18,604 INFO L428 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:18,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:18,604 INFO L82 PathProgramCache]: Analyzing trace with hash -49460023, now seen corresponding path program 2 times [2021-03-26 17:50:18,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:18,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740495225] [2021-03-26 17:50:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:18,611 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:18,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:18,615 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:18,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:18,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:18,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:18,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:18,639 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:50:18,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:50:18,652 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:50:18,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:50:18,666 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:50:18,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:18,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:18,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:18,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:18,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:18,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:18,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740495225] [2021-03-26 17:50:18,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:18,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:50:18,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132203105] [2021-03-26 17:50:18,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:50:18,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:18,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:50:18,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:50:18,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:50:18,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 768 places, 1102 transitions, 30916 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:18,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:18,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:50:18,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:20,116 INFO L129 PetriNetUnfolder]: 1098/2231 cut-off events. [2021-03-26 17:50:20,116 INFO L130 PetriNetUnfolder]: For 252391/252423 co-relation queries the response was YES. [2021-03-26 17:50:20,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41090 conditions, 2231 events. 1098/2231 cut-off events. For 252391/252423 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 16318 event pairs, 200 based on Foata normal form. 13/2240 useless extension candidates. Maximal degree in co-relation 40754. Up to 2001 conditions per place. [2021-03-26 17:50:20,173 INFO L132 encePairwiseOnDemand]: 123/147 looper letters, 956 selfloop transitions, 134 changer transitions 11/1109 dead transitions. [2021-03-26 17:50:20,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 1109 transitions, 33441 flow [2021-03-26 17:50:20,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:50:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:50:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 406 transitions. [2021-03-26 17:50:20,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23015873015873015 [2021-03-26 17:50:20,174 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 406 transitions. [2021-03-26 17:50:20,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 406 transitions. [2021-03-26 17:50:20,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:20,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 406 transitions. [2021-03-26 17:50:20,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 12 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) [2021-03-26 17:50:20,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:20,175 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:20,175 INFO L185 Difference]: Start difference. First operand has 768 places, 1102 transitions, 30916 flow. Second operand 12 states and 406 transitions. [2021-03-26 17:50:20,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 1109 transitions, 33441 flow [2021-03-26 17:50:21,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 770 places, 1109 transitions, 33009 flow, removed 62 selfloop flow, removed 9 redundant places. [2021-03-26 17:50:21,703 INFO L241 Difference]: Finished difference. Result has 772 places, 1093 transitions, 30557 flow [2021-03-26 17:50:21,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30490, PETRI_DIFFERENCE_MINUEND_PLACES=759, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30557, PETRI_PLACES=772, PETRI_TRANSITIONS=1093} [2021-03-26 17:50:21,704 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 733 predicate places. [2021-03-26 17:50:21,704 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:21,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 772 places, 1093 transitions, 30557 flow [2021-03-26 17:50:21,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 772 places, 1093 transitions, 30557 flow [2021-03-26 17:50:21,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 1093 transitions, 30557 flow [2021-03-26 17:50:22,249 INFO L129 PetriNetUnfolder]: 873/1895 cut-off events. [2021-03-26 17:50:22,249 INFO L130 PetriNetUnfolder]: For 223927/224409 co-relation queries the response was YES. [2021-03-26 17:50:22,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33154 conditions, 1895 events. 873/1895 cut-off events. For 223927/224409 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 14575 event pairs, 46 based on Foata normal form. 55/1919 useless extension candidates. Maximal degree in co-relation 32850. Up to 576 conditions per place. [2021-03-26 17:50:22,305 INFO L142 LiptonReduction]: Number of co-enabled transitions 822 [2021-03-26 17:50:22,421 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:22,422 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:22,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 718 [2021-03-26 17:50:22,422 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 1093 transitions, 30557 flow [2021-03-26 17:50:22,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:22,422 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:22,422 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] [2021-03-26 17:50:22,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-03-26 17:50:22,422 INFO L428 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:22,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:22,422 INFO L82 PathProgramCache]: Analyzing trace with hash 590470654, now seen corresponding path program 1 times [2021-03-26 17:50:22,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:22,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107658957] [2021-03-26 17:50:22,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:22,436 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:22,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:22,444 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:22,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:22,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:22,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:22,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:22,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:22,472 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:50:22,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:50:22,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:22,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:22,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:22,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:22,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:22,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:22,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:22,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:22,540 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:50:22,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:22,547 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:50:22,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:22,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107658957] [2021-03-26 17:50:22,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:22,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:50:22,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313263749] [2021-03-26 17:50:22,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:50:22,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:22,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:50:22,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:50:22,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 147 [2021-03-26 17:50:22,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 1093 transitions, 30557 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:22,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:22,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 147 [2021-03-26 17:50:22,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:24,100 INFO L129 PetriNetUnfolder]: 1105/2241 cut-off events. [2021-03-26 17:50:24,101 INFO L130 PetriNetUnfolder]: For 252912/252933 co-relation queries the response was YES. [2021-03-26 17:50:24,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41277 conditions, 2241 events. 1105/2241 cut-off events. For 252912/252933 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 16374 event pairs, 137 based on Foata normal form. 18/2258 useless extension candidates. Maximal degree in co-relation 40970. Up to 1916 conditions per place. [2021-03-26 17:50:24,157 INFO L132 encePairwiseOnDemand]: 122/147 looper letters, 915 selfloop transitions, 200 changer transitions 2/1125 dead transitions. [2021-03-26 17:50:24,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 780 places, 1125 transitions, 33926 flow [2021-03-26 17:50:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:50:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:50:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 538 transitions. [2021-03-26 17:50:24,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22874149659863946 [2021-03-26 17:50:24,158 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 538 transitions. [2021-03-26 17:50:24,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 538 transitions. [2021-03-26 17:50:24,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:24,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 538 transitions. [2021-03-26 17:50:24,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.625) internal successors, (538), 16 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:24,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 147.0) internal successors, (2499), 17 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:24,160 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 147.0) internal successors, (2499), 17 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:24,160 INFO L185 Difference]: Start difference. First operand has 765 places, 1093 transitions, 30557 flow. Second operand 16 states and 538 transitions. [2021-03-26 17:50:24,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 780 places, 1125 transitions, 33926 flow [2021-03-26 17:50:25,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 1125 transitions, 33432 flow, removed 17 selfloop flow, removed 13 redundant places. [2021-03-26 17:50:25,749 INFO L241 Difference]: Finished difference. Result has 772 places, 1107 transitions, 31119 flow [2021-03-26 17:50:25,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=30081, PETRI_DIFFERENCE_MINUEND_PLACES=752, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1093, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=903, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=31119, PETRI_PLACES=772, PETRI_TRANSITIONS=1107} [2021-03-26 17:50:25,749 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 733 predicate places. [2021-03-26 17:50:25,749 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:25,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 772 places, 1107 transitions, 31119 flow [2021-03-26 17:50:25,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 772 places, 1107 transitions, 31119 flow [2021-03-26 17:50:25,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 771 places, 1107 transitions, 31119 flow [2021-03-26 17:50:26,289 INFO L129 PetriNetUnfolder]: 888/1921 cut-off events. [2021-03-26 17:50:26,289 INFO L130 PetriNetUnfolder]: For 211214/211452 co-relation queries the response was YES. [2021-03-26 17:50:26,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33538 conditions, 1921 events. 888/1921 cut-off events. For 211214/211452 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 14799 event pairs, 57 based on Foata normal form. 31/1920 useless extension candidates. Maximal degree in co-relation 33214. Up to 574 conditions per place. [2021-03-26 17:50:26,345 INFO L142 LiptonReduction]: Number of co-enabled transitions 844 [2021-03-26 17:50:26,677 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:26,677 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:50:26,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 928 [2021-03-26 17:50:26,677 INFO L480 AbstractCegarLoop]: Abstraction has has 771 places, 1107 transitions, 31204 flow [2021-03-26 17:50:26,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:26,677 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:26,677 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:26,677 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-03-26 17:50:26,678 INFO L428 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:26,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:26,678 INFO L82 PathProgramCache]: Analyzing trace with hash -623272760, now seen corresponding path program 2 times [2021-03-26 17:50:26,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:26,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060809840] [2021-03-26 17:50:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:26,685 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:26,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:26,689 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:26,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:26,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:26,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:26,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:26,713 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:50:26,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:50:26,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:26,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:26,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:26,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:26,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:26,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:26,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:26,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:26,779 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:50:26,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:26,786 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:50:26,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:26,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060809840] [2021-03-26 17:50:26,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:26,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:50:26,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895767494] [2021-03-26 17:50:26,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:50:26,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:26,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:50:26,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:50:26,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-26 17:50:26,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 771 places, 1107 transitions, 31204 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:26,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:26,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-26 17:50:26,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:28,461 INFO L129 PetriNetUnfolder]: 1113/2255 cut-off events. [2021-03-26 17:50:28,461 INFO L130 PetriNetUnfolder]: For 257389/257410 co-relation queries the response was YES. [2021-03-26 17:50:28,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41679 conditions, 2255 events. 1113/2255 cut-off events. For 257389/257410 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 16516 event pairs, 160 based on Foata normal form. 18/2272 useless extension candidates. Maximal degree in co-relation 41342. Up to 1927 conditions per place. [2021-03-26 17:50:28,522 INFO L132 encePairwiseOnDemand]: 122/149 looper letters, 922 selfloop transitions, 205 changer transitions 2/1137 dead transitions. [2021-03-26 17:50:28,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 1137 transitions, 34683 flow [2021-03-26 17:50:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:50:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:50:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 484 transitions. [2021-03-26 17:50:28,523 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23202301054650049 [2021-03-26 17:50:28,523 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 484 transitions. [2021-03-26 17:50:28,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 484 transitions. [2021-03-26 17:50:28,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:28,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 484 transitions. [2021-03-26 17:50:28,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.57142857142857) internal successors, (484), 14 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:28,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:28,525 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:28,525 INFO L185 Difference]: Start difference. First operand has 771 places, 1107 transitions, 31204 flow. Second operand 14 states and 484 transitions. [2021-03-26 17:50:28,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 1137 transitions, 34683 flow [2021-03-26 17:50:30,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 775 places, 1137 transitions, 33593 flow, removed 396 selfloop flow, removed 9 redundant places. [2021-03-26 17:50:30,129 INFO L241 Difference]: Finished difference. Result has 779 places, 1119 transitions, 31294 flow [2021-03-26 17:50:30,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30328, PETRI_DIFFERENCE_MINUEND_PLACES=762, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=909, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31294, PETRI_PLACES=779, PETRI_TRANSITIONS=1119} [2021-03-26 17:50:30,129 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 740 predicate places. [2021-03-26 17:50:30,129 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:30,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 779 places, 1119 transitions, 31294 flow [2021-03-26 17:50:30,130 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 779 places, 1119 transitions, 31294 flow [2021-03-26 17:50:30,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 778 places, 1119 transitions, 31294 flow [2021-03-26 17:50:30,640 INFO L129 PetriNetUnfolder]: 880/1913 cut-off events. [2021-03-26 17:50:30,640 INFO L130 PetriNetUnfolder]: For 223498/223911 co-relation queries the response was YES. [2021-03-26 17:50:30,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33618 conditions, 1913 events. 880/1913 cut-off events. For 223498/223911 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 14795 event pairs, 53 based on Foata normal form. 29/1909 useless extension candidates. Maximal degree in co-relation 33291. Up to 567 conditions per place. [2021-03-26 17:50:30,707 INFO L142 LiptonReduction]: Number of co-enabled transitions 844 [2021-03-26 17:50:30,829 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:30,829 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:30,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 700 [2021-03-26 17:50:30,829 INFO L480 AbstractCegarLoop]: Abstraction has has 778 places, 1119 transitions, 31294 flow [2021-03-26 17:50:30,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:30,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:30,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:30,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-03-26 17:50:30,829 INFO L428 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:30,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1480814428, now seen corresponding path program 1 times [2021-03-26 17:50:30,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:30,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785317333] [2021-03-26 17:50:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:30,848 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:30,853 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:30,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:30,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:30,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:30,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:30,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:30,881 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:50:30,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:50:30,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:30,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:30,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:30,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:30,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:30,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:30,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:30,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:50:30,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:50:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:30,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785317333] [2021-03-26 17:50:30,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:30,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:50:30,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23734565] [2021-03-26 17:50:30,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:50:30,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:30,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:50:30,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:50:30,951 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-26 17:50:30,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 778 places, 1119 transitions, 31294 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:30,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:30,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-26 17:50:30,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:32,473 INFO L129 PetriNetUnfolder]: 1112/2252 cut-off events. [2021-03-26 17:50:32,473 INFO L130 PetriNetUnfolder]: For 261557/261578 co-relation queries the response was YES. [2021-03-26 17:50:32,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41685 conditions, 2252 events. 1112/2252 cut-off events. For 261557/261578 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 16466 event pairs, 161 based on Foata normal form. 18/2269 useless extension candidates. Maximal degree in co-relation 41345. Up to 1925 conditions per place. [2021-03-26 17:50:32,529 INFO L132 encePairwiseOnDemand]: 123/149 looper letters, 922 selfloop transitions, 202 changer transitions 3/1135 dead transitions. [2021-03-26 17:50:32,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 1135 transitions, 34001 flow [2021-03-26 17:50:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:50:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:50:32,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 508 transitions. [2021-03-26 17:50:32,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2272930648769575 [2021-03-26 17:50:32,530 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 508 transitions. [2021-03-26 17:50:32,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 508 transitions. [2021-03-26 17:50:32,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:32,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 508 transitions. [2021-03-26 17:50:32,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.86666666666667) internal successors, (508), 15 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:32,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:32,532 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:32,532 INFO L185 Difference]: Start difference. First operand has 778 places, 1119 transitions, 31294 flow. Second operand 15 states and 508 transitions. [2021-03-26 17:50:32,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 1135 transitions, 34001 flow [2021-03-26 17:50:34,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 784 places, 1135 transitions, 33296 flow, removed 219 selfloop flow, removed 8 redundant places. [2021-03-26 17:50:34,244 INFO L241 Difference]: Finished difference. Result has 786 places, 1117 transitions, 30978 flow [2021-03-26 17:50:34,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30589, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=30978, PETRI_PLACES=786, PETRI_TRANSITIONS=1117} [2021-03-26 17:50:34,245 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 747 predicate places. [2021-03-26 17:50:34,245 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:34,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 786 places, 1117 transitions, 30978 flow [2021-03-26 17:50:34,245 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 786 places, 1117 transitions, 30978 flow [2021-03-26 17:50:34,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 783 places, 1117 transitions, 30978 flow [2021-03-26 17:50:34,768 INFO L129 PetriNetUnfolder]: 882/1912 cut-off events. [2021-03-26 17:50:34,768 INFO L130 PetriNetUnfolder]: For 222825/223228 co-relation queries the response was YES. [2021-03-26 17:50:34,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33573 conditions, 1912 events. 882/1912 cut-off events. For 222825/223228 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 14804 event pairs, 53 based on Foata normal form. 30/1909 useless extension candidates. Maximal degree in co-relation 33263. Up to 564 conditions per place. [2021-03-26 17:50:34,831 INFO L142 LiptonReduction]: Number of co-enabled transitions 844 [2021-03-26 17:50:34,953 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:34,953 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:34,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 708 [2021-03-26 17:50:34,953 INFO L480 AbstractCegarLoop]: Abstraction has has 783 places, 1117 transitions, 30978 flow [2021-03-26 17:50:34,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:34,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:34,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:34,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-03-26 17:50:34,953 INFO L428 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:34,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:34,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1618207177, now seen corresponding path program 1 times [2021-03-26 17:50:34,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:34,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018593875] [2021-03-26 17:50:34,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:34,959 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:34,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:34,964 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:34,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:34,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:34,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:34,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:34,988 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:50:34,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:50:35,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:35,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:35,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:50:35,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:35,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:35,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:35,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:35,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:35,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:35,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:35,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018593875] [2021-03-26 17:50:35,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:35,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:50:35,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595425245] [2021-03-26 17:50:35,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:50:35,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:35,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:50:35,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:50:35,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-26 17:50:35,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 783 places, 1117 transitions, 30978 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:35,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:35,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-26 17:50:35,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:36,654 INFO L129 PetriNetUnfolder]: 1138/2295 cut-off events. [2021-03-26 17:50:36,654 INFO L130 PetriNetUnfolder]: For 277276/277308 co-relation queries the response was YES. [2021-03-26 17:50:36,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42785 conditions, 2295 events. 1138/2295 cut-off events. For 277276/277308 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 16863 event pairs, 125 based on Foata normal form. 26/2320 useless extension candidates. Maximal degree in co-relation 42472. Up to 1928 conditions per place. [2021-03-26 17:50:36,713 INFO L132 encePairwiseOnDemand]: 124/149 looper letters, 928 selfloop transitions, 215 changer transitions 2/1153 dead transitions. [2021-03-26 17:50:36,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 1153 transitions, 34581 flow [2021-03-26 17:50:36,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:50:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:50:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 578 transitions. [2021-03-26 17:50:36,714 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22818791946308725 [2021-03-26 17:50:36,714 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 578 transitions. [2021-03-26 17:50:36,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 578 transitions. [2021-03-26 17:50:36,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:36,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 578 transitions. [2021-03-26 17:50:36,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:36,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:36,716 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 149.0) internal successors, (2682), 18 states have internal predecessors, (2682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:36,716 INFO L185 Difference]: Start difference. First operand has 783 places, 1117 transitions, 30978 flow. Second operand 17 states and 578 transitions. [2021-03-26 17:50:36,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 1153 transitions, 34581 flow [2021-03-26 17:50:38,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 1153 transitions, 34161 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-26 17:50:38,262 INFO L241 Difference]: Finished difference. Result has 789 places, 1129 transitions, 31711 flow [2021-03-26 17:50:38,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30571, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=906, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=31711, PETRI_PLACES=789, PETRI_TRANSITIONS=1129} [2021-03-26 17:50:38,263 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 750 predicate places. [2021-03-26 17:50:38,263 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:38,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 789 places, 1129 transitions, 31711 flow [2021-03-26 17:50:38,263 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 789 places, 1129 transitions, 31711 flow [2021-03-26 17:50:38,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 1129 transitions, 31711 flow [2021-03-26 17:50:38,827 INFO L129 PetriNetUnfolder]: 897/1951 cut-off events. [2021-03-26 17:50:38,827 INFO L130 PetriNetUnfolder]: For 235749/236039 co-relation queries the response was YES. [2021-03-26 17:50:38,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34400 conditions, 1951 events. 897/1951 cut-off events. For 235749/236039 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 15169 event pairs, 39 based on Foata normal form. 30/1945 useless extension candidates. Maximal degree in co-relation 34090. Up to 576 conditions per place. [2021-03-26 17:50:38,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 894 [2021-03-26 17:50:39,014 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:39,014 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:39,014 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 751 [2021-03-26 17:50:39,014 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 1129 transitions, 31711 flow [2021-03-26 17:50:39,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:39,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:39,014 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:39,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-03-26 17:50:39,015 INFO L428 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:39,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:39,015 INFO L82 PathProgramCache]: Analyzing trace with hash -419368085, now seen corresponding path program 2 times [2021-03-26 17:50:39,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:39,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245655849] [2021-03-26 17:50:39,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:39,036 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:39,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:39,041 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:39,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:39,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:39,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:39,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:39,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:39,069 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:50:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:50:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:39,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:39,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:39,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:39,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:39,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:39,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:39,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:39,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245655849] [2021-03-26 17:50:39,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:39,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:50:39,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841103303] [2021-03-26 17:50:39,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:50:39,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:39,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:50:39,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:50:39,133 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-26 17:50:39,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 1129 transitions, 31711 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:39,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:39,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-26 17:50:39,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:40,660 INFO L129 PetriNetUnfolder]: 1138/2303 cut-off events. [2021-03-26 17:50:40,660 INFO L130 PetriNetUnfolder]: For 278704/278725 co-relation queries the response was YES. [2021-03-26 17:50:40,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42986 conditions, 2303 events. 1138/2303 cut-off events. For 278704/278725 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 16926 event pairs, 143 based on Foata normal form. 18/2320 useless extension candidates. Maximal degree in co-relation 42673. Up to 1969 conditions per place. [2021-03-26 17:50:40,717 INFO L132 encePairwiseOnDemand]: 124/149 looper letters, 935 selfloop transitions, 203 changer transitions 2/1148 dead transitions. [2021-03-26 17:50:40,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 800 places, 1148 transitions, 34415 flow [2021-03-26 17:50:40,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:50:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:50:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 483 transitions. [2021-03-26 17:50:40,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23154362416107382 [2021-03-26 17:50:40,718 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 483 transitions. [2021-03-26 17:50:40,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 483 transitions. [2021-03-26 17:50:40,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:40,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 483 transitions. [2021-03-26 17:50:40,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.5) internal successors, (483), 14 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:40,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:40,719 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 149.0) internal successors, (2235), 15 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:40,720 INFO L185 Difference]: Start difference. First operand has 787 places, 1129 transitions, 31711 flow. Second operand 14 states and 483 transitions. [2021-03-26 17:50:40,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 800 places, 1148 transitions, 34415 flow [2021-03-26 17:50:42,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 1148 transitions, 33528 flow, removed 294 selfloop flow, removed 13 redundant places. [2021-03-26 17:50:42,435 INFO L241 Difference]: Finished difference. Result has 790 places, 1130 transitions, 31274 flow [2021-03-26 17:50:42,435 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30824, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=926, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31274, PETRI_PLACES=790, PETRI_TRANSITIONS=1130} [2021-03-26 17:50:42,435 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 751 predicate places. [2021-03-26 17:50:42,436 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:42,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 790 places, 1130 transitions, 31274 flow [2021-03-26 17:50:42,436 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 790 places, 1130 transitions, 31274 flow [2021-03-26 17:50:42,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 789 places, 1130 transitions, 31274 flow [2021-03-26 17:50:42,947 INFO L129 PetriNetUnfolder]: 896/1951 cut-off events. [2021-03-26 17:50:42,948 INFO L130 PetriNetUnfolder]: For 222711/222962 co-relation queries the response was YES. [2021-03-26 17:50:42,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34076 conditions, 1951 events. 896/1951 cut-off events. For 222711/222962 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 15137 event pairs, 50 based on Foata normal form. 35/1957 useless extension candidates. Maximal degree in co-relation 33745. Up to 564 conditions per place. [2021-03-26 17:50:43,010 INFO L142 LiptonReduction]: Number of co-enabled transitions 898 [2021-03-26 17:50:43,125 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:43,125 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:43,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 689 [2021-03-26 17:50:43,125 INFO L480 AbstractCegarLoop]: Abstraction has has 789 places, 1130 transitions, 31274 flow [2021-03-26 17:50:43,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:43,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:43,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:43,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-03-26 17:50:43,126 INFO L428 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:43,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:43,126 INFO L82 PathProgramCache]: Analyzing trace with hash 278578675, now seen corresponding path program 3 times [2021-03-26 17:50:43,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:43,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861287249] [2021-03-26 17:50:43,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:43,132 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:43,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:43,136 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:43,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:43,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:43,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:43,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:43,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:43,160 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:50:43,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:50:43,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:43,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:43,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:43,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:50:43,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:43,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:43,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:43,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:43,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:43,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:43,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861287249] [2021-03-26 17:50:43,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:43,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:50:43,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75788984] [2021-03-26 17:50:43,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:50:43,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:43,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:50:43,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:50:43,218 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-26 17:50:43,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 789 places, 1130 transitions, 31274 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:43,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:43,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-26 17:50:43,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:44,733 INFO L129 PetriNetUnfolder]: 1137/2302 cut-off events. [2021-03-26 17:50:44,733 INFO L130 PetriNetUnfolder]: For 267028/267041 co-relation queries the response was YES. [2021-03-26 17:50:44,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42284 conditions, 2302 events. 1137/2302 cut-off events. For 267028/267041 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 16956 event pairs, 162 based on Foata normal form. 10/2311 useless extension candidates. Maximal degree in co-relation 41940. Up to 1968 conditions per place. [2021-03-26 17:50:44,789 INFO L132 encePairwiseOnDemand]: 124/149 looper letters, 934 selfloop transitions, 200 changer transitions 5/1147 dead transitions. [2021-03-26 17:50:44,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 1147 transitions, 33884 flow [2021-03-26 17:50:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:50:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:50:44,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 505 transitions. [2021-03-26 17:50:44,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22595078299776286 [2021-03-26 17:50:44,791 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 505 transitions. [2021-03-26 17:50:44,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 505 transitions. [2021-03-26 17:50:44,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:44,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 505 transitions. [2021-03-26 17:50:44,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.666666666666664) internal successors, (505), 15 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:44,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:44,792 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:44,792 INFO L185 Difference]: Start difference. First operand has 789 places, 1130 transitions, 31274 flow. Second operand 15 states and 505 transitions. [2021-03-26 17:50:44,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 1147 transitions, 33884 flow [2021-03-26 17:50:46,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 1147 transitions, 33426 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-26 17:50:46,480 INFO L241 Difference]: Finished difference. Result has 792 places, 1127 transitions, 31202 flow [2021-03-26 17:50:46,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30816, PETRI_DIFFERENCE_MINUEND_PLACES=775, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=930, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31202, PETRI_PLACES=792, PETRI_TRANSITIONS=1127} [2021-03-26 17:50:46,480 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 753 predicate places. [2021-03-26 17:50:46,481 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:46,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 792 places, 1127 transitions, 31202 flow [2021-03-26 17:50:46,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 792 places, 1127 transitions, 31202 flow [2021-03-26 17:50:46,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 788 places, 1127 transitions, 31202 flow [2021-03-26 17:50:46,997 INFO L129 PetriNetUnfolder]: 898/1954 cut-off events. [2021-03-26 17:50:46,997 INFO L130 PetriNetUnfolder]: For 224588/224857 co-relation queries the response was YES. [2021-03-26 17:50:47,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34010 conditions, 1954 events. 898/1954 cut-off events. For 224588/224857 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 15195 event pairs, 52 based on Foata normal form. 32/1950 useless extension candidates. Maximal degree in co-relation 33700. Up to 565 conditions per place. [2021-03-26 17:50:47,062 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-26 17:50:47,187 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:47,187 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:47,187 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 706 [2021-03-26 17:50:47,187 INFO L480 AbstractCegarLoop]: Abstraction has has 788 places, 1127 transitions, 31202 flow [2021-03-26 17:50:47,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:47,187 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:47,187 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:47,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-03-26 17:50:47,188 INFO L428 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:47,188 INFO L82 PathProgramCache]: Analyzing trace with hash 438911799, now seen corresponding path program 4 times [2021-03-26 17:50:47,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:47,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864746015] [2021-03-26 17:50:47,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:47,195 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:47,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:47,200 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:47,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:47,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:47,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:47,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:47,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:47,228 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:50:47,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:50:47,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:47,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:47,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:47,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:47,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:47,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:47,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:47,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864746015] [2021-03-26 17:50:47,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:47,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:50:47,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889026000] [2021-03-26 17:50:47,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:50:47,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:47,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:50:47,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:50:47,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-26 17:50:47,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 788 places, 1127 transitions, 31202 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:47,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:47,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-26 17:50:47,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:48,947 INFO L129 PetriNetUnfolder]: 1135/2298 cut-off events. [2021-03-26 17:50:48,947 INFO L130 PetriNetUnfolder]: For 261966/261987 co-relation queries the response was YES. [2021-03-26 17:50:48,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42191 conditions, 2298 events. 1135/2298 cut-off events. For 261966/261987 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 16920 event pairs, 138 based on Foata normal form. 18/2315 useless extension candidates. Maximal degree in co-relation 41879. Up to 1965 conditions per place. [2021-03-26 17:50:49,011 INFO L132 encePairwiseOnDemand]: 124/149 looper letters, 932 selfloop transitions, 201 changer transitions 3/1144 dead transitions. [2021-03-26 17:50:49,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 802 places, 1144 transitions, 33812 flow [2021-03-26 17:50:49,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:50:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:50:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 508 transitions. [2021-03-26 17:50:49,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2272930648769575 [2021-03-26 17:50:49,013 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 508 transitions. [2021-03-26 17:50:49,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 508 transitions. [2021-03-26 17:50:49,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:49,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 508 transitions. [2021-03-26 17:50:49,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.86666666666667) internal successors, (508), 15 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:49,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:49,014 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:49,014 INFO L185 Difference]: Start difference. First operand has 788 places, 1127 transitions, 31202 flow. Second operand 15 states and 508 transitions. [2021-03-26 17:50:49,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 802 places, 1144 transitions, 33812 flow [2021-03-26 17:50:50,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 1144 transitions, 33400 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-26 17:50:50,761 INFO L241 Difference]: Finished difference. Result has 791 places, 1125 transitions, 31170 flow [2021-03-26 17:50:50,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30792, PETRI_DIFFERENCE_MINUEND_PLACES=775, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=926, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31170, PETRI_PLACES=791, PETRI_TRANSITIONS=1125} [2021-03-26 17:50:50,762 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 752 predicate places. [2021-03-26 17:50:50,762 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:50,762 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 791 places, 1125 transitions, 31170 flow [2021-03-26 17:50:50,762 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 791 places, 1125 transitions, 31170 flow [2021-03-26 17:50:50,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 1125 transitions, 31170 flow [2021-03-26 17:50:51,266 INFO L129 PetriNetUnfolder]: 894/1951 cut-off events. [2021-03-26 17:50:51,266 INFO L130 PetriNetUnfolder]: For 217439/217675 co-relation queries the response was YES. [2021-03-26 17:50:51,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33939 conditions, 1951 events. 894/1951 cut-off events. For 217439/217675 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 15195 event pairs, 45 based on Foata normal form. 29/1950 useless extension candidates. Maximal degree in co-relation 33629. Up to 562 conditions per place. [2021-03-26 17:50:51,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 882 [2021-03-26 17:50:51,452 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:51,452 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:51,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 690 [2021-03-26 17:50:51,452 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 1125 transitions, 31170 flow [2021-03-26 17:50:51,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:51,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:51,452 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] [2021-03-26 17:50:51,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-03-26 17:50:51,452 INFO L428 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:51,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:51,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1759900810, now seen corresponding path program 4 times [2021-03-26 17:50:51,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:51,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397645373] [2021-03-26 17:50:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:51,465 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:51,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:51,470 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:51,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:51,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:51,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:51,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:51,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:51,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:51,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:51,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:51,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:50:51,516 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:50:51,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:50:51,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:51,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:50:51,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:51,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:51,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:51,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:50:51,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:51,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:51,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397645373] [2021-03-26 17:50:51,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:51,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:50:51,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892193163] [2021-03-26 17:50:51,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:50:51,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:51,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:50:51,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:50:51,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-26 17:50:51,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 1125 transitions, 31170 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:51,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:51,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-26 17:50:51,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:53,071 INFO L129 PetriNetUnfolder]: 1136/2308 cut-off events. [2021-03-26 17:50:53,071 INFO L130 PetriNetUnfolder]: For 268081/268102 co-relation queries the response was YES. [2021-03-26 17:50:53,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42480 conditions, 2308 events. 1136/2308 cut-off events. For 268081/268102 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 17060 event pairs, 138 based on Foata normal form. 18/2325 useless extension candidates. Maximal degree in co-relation 42168. Up to 2080 conditions per place. [2021-03-26 17:50:53,127 INFO L132 encePairwiseOnDemand]: 132/149 looper letters, 1061 selfloop transitions, 71 changer transitions 2/1142 dead transitions. [2021-03-26 17:50:53,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 801 places, 1142 transitions, 34204 flow [2021-03-26 17:50:53,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:50:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:50:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 490 transitions. [2021-03-26 17:50:53,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21923937360178972 [2021-03-26 17:50:53,129 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 490 transitions. [2021-03-26 17:50:53,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 490 transitions. [2021-03-26 17:50:53,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:53,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 490 transitions. [2021-03-26 17:50:53,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.666666666666664) internal successors, (490), 15 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:53,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:53,130 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 149.0) internal successors, (2384), 16 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:53,130 INFO L185 Difference]: Start difference. First operand has 787 places, 1125 transitions, 31170 flow. Second operand 15 states and 490 transitions. [2021-03-26 17:50:53,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 801 places, 1142 transitions, 34204 flow [2021-03-26 17:50:54,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 1142 transitions, 33794 flow, removed 4 selfloop flow, removed 14 redundant places. [2021-03-26 17:50:54,815 INFO L241 Difference]: Finished difference. Result has 791 places, 1129 transitions, 31274 flow [2021-03-26 17:50:54,815 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30760, PETRI_DIFFERENCE_MINUEND_PLACES=773, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31274, PETRI_PLACES=791, PETRI_TRANSITIONS=1129} [2021-03-26 17:50:54,815 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 752 predicate places. [2021-03-26 17:50:54,815 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:54,815 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 791 places, 1129 transitions, 31274 flow [2021-03-26 17:50:54,816 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 791 places, 1129 transitions, 31274 flow [2021-03-26 17:50:54,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 790 places, 1129 transitions, 31274 flow [2021-03-26 17:50:55,326 INFO L129 PetriNetUnfolder]: 893/1955 cut-off events. [2021-03-26 17:50:55,326 INFO L130 PetriNetUnfolder]: For 233511/233791 co-relation queries the response was YES. [2021-03-26 17:50:55,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34197 conditions, 1955 events. 893/1955 cut-off events. For 233511/233791 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 15285 event pairs, 52 based on Foata normal form. 44/1973 useless extension candidates. Maximal degree in co-relation 33865. Up to 567 conditions per place. [2021-03-26 17:50:55,391 INFO L142 LiptonReduction]: Number of co-enabled transitions 882 [2021-03-26 17:50:55,514 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:50:55,514 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:50:55,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 699 [2021-03-26 17:50:55,514 INFO L480 AbstractCegarLoop]: Abstraction has has 790 places, 1129 transitions, 31274 flow [2021-03-26 17:50:55,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:55,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:50:55,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:50:55,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-03-26 17:50:55,515 INFO L428 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:50:55,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:50:55,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2106304271, now seen corresponding path program 4 times [2021-03-26 17:50:55,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:50:55,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370530906] [2021-03-26 17:50:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:50:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:50:55,522 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:50:55,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:50:55,526 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:50:55,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:55,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:55,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:50:55,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:55,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:50:55,551 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:50:55,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:50:55,574 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:50:55,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:50:55,600 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:50:55,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:50:55,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:55,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:55,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:55,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:50:55,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:50:55,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:50:55,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:50:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:50:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:50:55,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370530906] [2021-03-26 17:50:55,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:50:55,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:50:55,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268004577] [2021-03-26 17:50:55,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:50:55,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:50:55,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:50:55,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:50:55,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 149 [2021-03-26 17:50:55,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 790 places, 1129 transitions, 31274 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:55,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:50:55,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 149 [2021-03-26 17:50:55,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:50:57,380 INFO L129 PetriNetUnfolder]: 1142/2323 cut-off events. [2021-03-26 17:50:57,380 INFO L130 PetriNetUnfolder]: For 280270/280291 co-relation queries the response was YES. [2021-03-26 17:50:57,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42823 conditions, 2323 events. 1142/2323 cut-off events. For 280270/280291 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17123 event pairs, 166 based on Foata normal form. 14/2336 useless extension candidates. Maximal degree in co-relation 42478. Up to 2026 conditions per place. [2021-03-26 17:50:57,438 INFO L132 encePairwiseOnDemand]: 129/149 looper letters, 1016 selfloop transitions, 137 changer transitions 3/1164 dead transitions. [2021-03-26 17:50:57,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 1164 transitions, 34825 flow [2021-03-26 17:50:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:50:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:50:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 598 transitions. [2021-03-26 17:50:57,439 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22296793437733034 [2021-03-26 17:50:57,439 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 598 transitions. [2021-03-26 17:50:57,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 598 transitions. [2021-03-26 17:50:57,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:50:57,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 598 transitions. [2021-03-26 17:50:57,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.22222222222222) internal successors, (598), 18 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:57,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 149.0) internal successors, (2831), 19 states have internal predecessors, (2831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:57,441 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 149.0) internal successors, (2831), 19 states have internal predecessors, (2831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:50:57,441 INFO L185 Difference]: Start difference. First operand has 790 places, 1129 transitions, 31274 flow. Second operand 18 states and 598 transitions. [2021-03-26 17:50:57,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 1164 transitions, 34825 flow [2021-03-26 17:50:59,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 798 places, 1164 transitions, 34424 flow, removed 158 selfloop flow, removed 9 redundant places. [2021-03-26 17:50:59,450 INFO L241 Difference]: Finished difference. Result has 800 places, 1137 transitions, 31382 flow [2021-03-26 17:50:59,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=30873, PETRI_DIFFERENCE_MINUEND_PLACES=781, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=999, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=31382, PETRI_PLACES=800, PETRI_TRANSITIONS=1137} [2021-03-26 17:50:59,451 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 761 predicate places. [2021-03-26 17:50:59,451 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:50:59,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 800 places, 1137 transitions, 31382 flow [2021-03-26 17:50:59,451 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 800 places, 1137 transitions, 31382 flow [2021-03-26 17:50:59,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 1137 transitions, 31382 flow [2021-03-26 17:50:59,955 INFO L129 PetriNetUnfolder]: 899/1965 cut-off events. [2021-03-26 17:50:59,955 INFO L130 PetriNetUnfolder]: For 238132/238388 co-relation queries the response was YES. [2021-03-26 17:50:59,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34540 conditions, 1965 events. 899/1965 cut-off events. For 238132/238388 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 15288 event pairs, 58 based on Foata normal form. 32/1964 useless extension candidates. Maximal degree in co-relation 34206. Up to 566 conditions per place. [2021-03-26 17:51:00,020 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-26 17:51:00,382 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:00,382 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:51:00,382 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-03-26 17:51:00,382 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 1137 transitions, 31433 flow [2021-03-26 17:51:00,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:00,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:00,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:51:00,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-03-26 17:51:00,382 INFO L428 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:00,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:00,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1581573653, now seen corresponding path program 5 times [2021-03-26 17:51:00,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:00,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111103149] [2021-03-26 17:51:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:00,393 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:00,398 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:00,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:00,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:00,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:00,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:00,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:00,422 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:51:00,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:51:00,446 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:51:00,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:51:00,470 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:51:00,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:51:00,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:00,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:00,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:00,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:00,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:00,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:00,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:00,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111103149] [2021-03-26 17:51:00,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:00,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:51:00,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001233386] [2021-03-26 17:51:00,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:51:00,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:00,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:51:00,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:51:00,538 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 150 [2021-03-26 17:51:00,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 1137 transitions, 31433 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:00,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:00,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 150 [2021-03-26 17:51:00,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:02,548 INFO L129 PetriNetUnfolder]: 1145/2339 cut-off events. [2021-03-26 17:51:02,549 INFO L130 PetriNetUnfolder]: For 284412/284440 co-relation queries the response was YES. [2021-03-26 17:51:02,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43275 conditions, 2339 events. 1145/2339 cut-off events. For 284412/284440 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 17338 event pairs, 157 based on Foata normal form. 24/2362 useless extension candidates. Maximal degree in co-relation 42928. Up to 1821 conditions per place. [2021-03-26 17:51:02,598 INFO L132 encePairwiseOnDemand]: 116/150 looper letters, 802 selfloop transitions, 348 changer transitions 9/1167 dead transitions. [2021-03-26 17:51:02,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 818 places, 1167 transitions, 34814 flow [2021-03-26 17:51:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:51:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:51:02,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 640 transitions. [2021-03-26 17:51:02,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22456140350877193 [2021-03-26 17:51:02,599 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 640 transitions. [2021-03-26 17:51:02,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 640 transitions. [2021-03-26 17:51:02,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:02,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 640 transitions. [2021-03-26 17:51:02,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.68421052631579) internal successors, (640), 19 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:02,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 150.0) internal successors, (3000), 20 states have internal predecessors, (3000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:02,602 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 150.0) internal successors, (3000), 20 states have internal predecessors, (3000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:02,602 INFO L185 Difference]: Start difference. First operand has 800 places, 1137 transitions, 31433 flow. Second operand 19 states and 640 transitions. [2021-03-26 17:51:02,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 818 places, 1167 transitions, 34814 flow [2021-03-26 17:51:04,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 809 places, 1167 transitions, 34384 flow, removed 115 selfloop flow, removed 9 redundant places. [2021-03-26 17:51:04,544 INFO L241 Difference]: Finished difference. Result has 813 places, 1142 transitions, 32026 flow [2021-03-26 17:51:04,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=31003, PETRI_DIFFERENCE_MINUEND_PLACES=791, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=339, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=795, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=32026, PETRI_PLACES=813, PETRI_TRANSITIONS=1142} [2021-03-26 17:51:04,545 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 774 predicate places. [2021-03-26 17:51:04,545 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:04,545 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 813 places, 1142 transitions, 32026 flow [2021-03-26 17:51:04,545 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 813 places, 1142 transitions, 32026 flow [2021-03-26 17:51:04,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 813 places, 1142 transitions, 32026 flow [2021-03-26 17:51:05,056 INFO L129 PetriNetUnfolder]: 900/1976 cut-off events. [2021-03-26 17:51:05,056 INFO L130 PetriNetUnfolder]: For 251915/252155 co-relation queries the response was YES. [2021-03-26 17:51:05,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35177 conditions, 1976 events. 900/1976 cut-off events. For 251915/252155 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 15537 event pairs, 46 based on Foata normal form. 29/1971 useless extension candidates. Maximal degree in co-relation 34839. Up to 561 conditions per place. [2021-03-26 17:51:05,123 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-26 17:51:05,269 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:05,269 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:05,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 724 [2021-03-26 17:51:05,269 INFO L480 AbstractCegarLoop]: Abstraction has has 813 places, 1142 transitions, 32026 flow [2021-03-26 17:51:05,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:05,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:05,270 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] [2021-03-26 17:51:05,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-03-26 17:51:05,270 INFO L428 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:05,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:05,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1990288353, now seen corresponding path program 3 times [2021-03-26 17:51:05,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:05,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102595483] [2021-03-26 17:51:05,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:05,276 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:05,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:05,280 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:05,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:05,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:05,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:05,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:05,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:05,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:05,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:05,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:05,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:51:05,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:05,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:51:05,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:05,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:05,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:05,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:05,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:05,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:05,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:05,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102595483] [2021-03-26 17:51:05,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:05,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:51:05,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179535788] [2021-03-26 17:51:05,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:51:05,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:05,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:51:05,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:51:05,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 150 [2021-03-26 17:51:05,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 813 places, 1142 transitions, 32026 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:05,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:05,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 150 [2021-03-26 17:51:05,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:07,087 INFO L129 PetriNetUnfolder]: 1140/2327 cut-off events. [2021-03-26 17:51:07,087 INFO L130 PetriNetUnfolder]: For 290702/290723 co-relation queries the response was YES. [2021-03-26 17:51:07,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43704 conditions, 2327 events. 1140/2327 cut-off events. For 290702/290723 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 17280 event pairs, 140 based on Foata normal form. 18/2344 useless extension candidates. Maximal degree in co-relation 43353. Up to 1800 conditions per place. [2021-03-26 17:51:07,142 INFO L132 encePairwiseOnDemand]: 111/150 looper letters, 728 selfloop transitions, 413 changer transitions 7/1156 dead transitions. [2021-03-26 17:51:07,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 1156 transitions, 34837 flow [2021-03-26 17:51:07,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:51:07,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:51:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 547 transitions. [2021-03-26 17:51:07,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22791666666666666 [2021-03-26 17:51:07,143 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 547 transitions. [2021-03-26 17:51:07,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 547 transitions. [2021-03-26 17:51:07,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:07,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 547 transitions. [2021-03-26 17:51:07,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 34.1875) internal successors, (547), 16 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:07,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 150.0) internal successors, (2550), 17 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:07,145 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 150.0) internal successors, (2550), 17 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:07,145 INFO L185 Difference]: Start difference. First operand has 813 places, 1142 transitions, 32026 flow. Second operand 16 states and 547 transitions. [2021-03-26 17:51:07,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 1156 transitions, 34837 flow [2021-03-26 17:51:09,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 811 places, 1156 transitions, 33829 flow, removed 120 selfloop flow, removed 17 redundant places. [2021-03-26 17:51:09,123 INFO L241 Difference]: Finished difference. Result has 814 places, 1138 transitions, 31794 flow [2021-03-26 17:51:09,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=31032, PETRI_DIFFERENCE_MINUEND_PLACES=796, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=413, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=31794, PETRI_PLACES=814, PETRI_TRANSITIONS=1138} [2021-03-26 17:51:09,123 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 775 predicate places. [2021-03-26 17:51:09,123 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:09,123 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 814 places, 1138 transitions, 31794 flow [2021-03-26 17:51:09,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 814 places, 1138 transitions, 31794 flow [2021-03-26 17:51:09,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 813 places, 1138 transitions, 31794 flow [2021-03-26 17:51:09,634 INFO L129 PetriNetUnfolder]: 906/1977 cut-off events. [2021-03-26 17:51:09,634 INFO L130 PetriNetUnfolder]: For 251633/251995 co-relation queries the response was YES. [2021-03-26 17:51:09,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35204 conditions, 1977 events. 906/1977 cut-off events. For 251633/251995 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 15437 event pairs, 41 based on Foata normal form. 55/2001 useless extension candidates. Maximal degree in co-relation 34885. Up to 566 conditions per place. [2021-03-26 17:51:09,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-26 17:51:09,844 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:09,844 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:09,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 721 [2021-03-26 17:51:09,844 INFO L480 AbstractCegarLoop]: Abstraction has has 813 places, 1138 transitions, 31794 flow [2021-03-26 17:51:09,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:09,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:09,845 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] [2021-03-26 17:51:09,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-03-26 17:51:09,845 INFO L428 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:09,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:09,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2066805562, now seen corresponding path program 5 times [2021-03-26 17:51:09,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:09,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982556847] [2021-03-26 17:51:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:09,851 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:09,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:09,855 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:09,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:09,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:09,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:09,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:51:09,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:51:09,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:51:09,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:51:09,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:51:09,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:09,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:09,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:09,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982556847] [2021-03-26 17:51:09,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:09,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:51:09,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479535215] [2021-03-26 17:51:09,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:51:09,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:09,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:51:09,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:51:09,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 150 [2021-03-26 17:51:09,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 813 places, 1138 transitions, 31794 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:09,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:09,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 150 [2021-03-26 17:51:09,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:11,451 INFO L129 PetriNetUnfolder]: 1137/2318 cut-off events. [2021-03-26 17:51:11,451 INFO L130 PetriNetUnfolder]: For 291329/291361 co-relation queries the response was YES. [2021-03-26 17:51:11,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43469 conditions, 2318 events. 1137/2318 cut-off events. For 291329/291361 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17105 event pairs, 167 based on Foata normal form. 19/2335 useless extension candidates. Maximal degree in co-relation 43147. Up to 2118 conditions per place. [2021-03-26 17:51:11,506 INFO L132 encePairwiseOnDemand]: 133/150 looper letters, 1081 selfloop transitions, 54 changer transitions 5/1148 dead transitions. [2021-03-26 17:51:11,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 1148 transitions, 34422 flow [2021-03-26 17:51:11,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:51:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:51:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 456 transitions. [2021-03-26 17:51:11,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21714285714285714 [2021-03-26 17:51:11,507 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 456 transitions. [2021-03-26 17:51:11,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 456 transitions. [2021-03-26 17:51:11,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:11,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 456 transitions. [2021-03-26 17:51:11,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.57142857142857) internal successors, (456), 14 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:11,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 150.0) internal successors, (2250), 15 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:11,508 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 150.0) internal successors, (2250), 15 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:11,508 INFO L185 Difference]: Start difference. First operand has 813 places, 1138 transitions, 31794 flow. Second operand 14 states and 456 transitions. [2021-03-26 17:51:11,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 826 places, 1148 transitions, 34422 flow [2021-03-26 17:51:13,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 806 places, 1148 transitions, 33423 flow, removed 5 selfloop flow, removed 20 redundant places. [2021-03-26 17:51:13,436 INFO L241 Difference]: Finished difference. Result has 809 places, 1135 transitions, 30834 flow [2021-03-26 17:51:13,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=30797, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1084, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30834, PETRI_PLACES=809, PETRI_TRANSITIONS=1135} [2021-03-26 17:51:13,436 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 770 predicate places. [2021-03-26 17:51:13,436 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:13,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 809 places, 1135 transitions, 30834 flow [2021-03-26 17:51:13,437 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 809 places, 1135 transitions, 30834 flow [2021-03-26 17:51:13,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 807 places, 1135 transitions, 30834 flow [2021-03-26 17:51:13,937 INFO L129 PetriNetUnfolder]: 903/1974 cut-off events. [2021-03-26 17:51:13,937 INFO L130 PetriNetUnfolder]: For 248519/248789 co-relation queries the response was YES. [2021-03-26 17:51:13,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34723 conditions, 1974 events. 903/1974 cut-off events. For 248519/248789 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 15435 event pairs, 40 based on Foata normal form. 43/1980 useless extension candidates. Maximal degree in co-relation 34405. Up to 562 conditions per place. [2021-03-26 17:51:14,004 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-26 17:51:14,145 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:14,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:14,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 710 [2021-03-26 17:51:14,146 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 1135 transitions, 30834 flow [2021-03-26 17:51:14,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:14,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:14,146 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] [2021-03-26 17:51:14,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-03-26 17:51:14,146 INFO L428 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:14,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:14,146 INFO L82 PathProgramCache]: Analyzing trace with hash 941551704, now seen corresponding path program 3 times [2021-03-26 17:51:14,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:14,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841387101] [2021-03-26 17:51:14,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:14,154 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:14,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:14,169 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:14,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:14,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:14,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:14,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:14,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:14,194 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:14,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:14,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:14,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:14,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:14,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:14,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:14,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:14,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:14,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:14,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:14,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:14,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:14,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:14,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841387101] [2021-03-26 17:51:14,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:14,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:51:14,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555712726] [2021-03-26 17:51:14,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:51:14,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:14,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:51:14,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:51:14,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 150 [2021-03-26 17:51:14,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 1135 transitions, 30834 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:14,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:14,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 150 [2021-03-26 17:51:14,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:15,979 INFO L129 PetriNetUnfolder]: 1141/2341 cut-off events. [2021-03-26 17:51:15,979 INFO L130 PetriNetUnfolder]: For 293144/293165 co-relation queries the response was YES. [2021-03-26 17:51:16,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43436 conditions, 2341 events. 1141/2341 cut-off events. For 293144/293165 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17419 event pairs, 133 based on Foata normal form. 19/2359 useless extension candidates. Maximal degree in co-relation 43111. Up to 1985 conditions per place. [2021-03-26 17:51:16,037 INFO L132 encePairwiseOnDemand]: 124/150 looper letters, 943 selfloop transitions, 214 changer transitions 7/1172 dead transitions. [2021-03-26 17:51:16,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 1172 transitions, 34298 flow [2021-03-26 17:51:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 17:51:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 17:51:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 656 transitions. [2021-03-26 17:51:16,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21866666666666668 [2021-03-26 17:51:16,039 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 656 transitions. [2021-03-26 17:51:16,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 656 transitions. [2021-03-26 17:51:16,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:16,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 656 transitions. [2021-03-26 17:51:16,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.8) internal successors, (656), 20 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:16,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 150.0) internal successors, (3150), 21 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:16,040 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 150.0) internal successors, (3150), 21 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:16,040 INFO L185 Difference]: Start difference. First operand has 807 places, 1135 transitions, 30834 flow. Second operand 20 states and 656 transitions. [2021-03-26 17:51:16,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 826 places, 1172 transitions, 34298 flow [2021-03-26 17:51:18,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 811 places, 1172 transitions, 34144 flow, removed 12 selfloop flow, removed 15 redundant places. [2021-03-26 17:51:18,062 INFO L241 Difference]: Finished difference. Result has 818 places, 1150 transitions, 31738 flow [2021-03-26 17:51:18,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=30690, PETRI_DIFFERENCE_MINUEND_PLACES=792, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=928, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=31738, PETRI_PLACES=818, PETRI_TRANSITIONS=1150} [2021-03-26 17:51:18,062 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 779 predicate places. [2021-03-26 17:51:18,062 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:18,062 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 818 places, 1150 transitions, 31738 flow [2021-03-26 17:51:18,062 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 818 places, 1150 transitions, 31738 flow [2021-03-26 17:51:18,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 818 places, 1150 transitions, 31738 flow [2021-03-26 17:51:18,592 INFO L129 PetriNetUnfolder]: 904/1990 cut-off events. [2021-03-26 17:51:18,592 INFO L130 PetriNetUnfolder]: For 257297/257709 co-relation queries the response was YES. [2021-03-26 17:51:18,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35175 conditions, 1990 events. 904/1990 cut-off events. For 257297/257709 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 15594 event pairs, 50 based on Foata normal form. 55/2016 useless extension candidates. Maximal degree in co-relation 34834. Up to 560 conditions per place. [2021-03-26 17:51:18,666 INFO L142 LiptonReduction]: Number of co-enabled transitions 894 [2021-03-26 17:51:19,042 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 17:51:19,042 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:51:19,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 980 [2021-03-26 17:51:19,042 INFO L480 AbstractCegarLoop]: Abstraction has has 818 places, 1150 transitions, 31779 flow [2021-03-26 17:51:19,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:19,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:19,042 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] [2021-03-26 17:51:19,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-03-26 17:51:19,042 INFO L428 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:19,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:19,043 INFO L82 PathProgramCache]: Analyzing trace with hash 792117409, now seen corresponding path program 1 times [2021-03-26 17:51:19,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:19,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881305389] [2021-03-26 17:51:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:19,064 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:19,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:19,069 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:19,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:19,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:19,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:19,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:19,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:19,094 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:19,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:19,114 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:19,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:19,117 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:51:19,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:51:19,138 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:19,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:19,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:19,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:51:19,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:19,185 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:19,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:19,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881305389] [2021-03-26 17:51:19,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:19,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:51:19,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458442794] [2021-03-26 17:51:19,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:51:19,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:19,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:51:19,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:51:19,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 151 [2021-03-26 17:51:19,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 818 places, 1150 transitions, 31779 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:19,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:19,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 151 [2021-03-26 17:51:19,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:20,839 INFO L129 PetriNetUnfolder]: 1141/2342 cut-off events. [2021-03-26 17:51:20,840 INFO L130 PetriNetUnfolder]: For 304153/304164 co-relation queries the response was YES. [2021-03-26 17:51:20,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43992 conditions, 2342 events. 1141/2342 cut-off events. For 304153/304164 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17437 event pairs, 128 based on Foata normal form. 12/2353 useless extension candidates. Maximal degree in co-relation 43638. Up to 1989 conditions per place. [2021-03-26 17:51:20,905 INFO L132 encePairwiseOnDemand]: 126/151 looper letters, 949 selfloop transitions, 210 changer transitions 6/1173 dead transitions. [2021-03-26 17:51:20,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 833 places, 1173 transitions, 34994 flow [2021-03-26 17:51:20,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:51:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:51:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 539 transitions. [2021-03-26 17:51:20,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2230960264900662 [2021-03-26 17:51:20,906 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 539 transitions. [2021-03-26 17:51:20,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 539 transitions. [2021-03-26 17:51:20,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:20,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 539 transitions. [2021-03-26 17:51:20,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.6875) internal successors, (539), 16 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:20,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 151.0) internal successors, (2567), 17 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:20,908 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 151.0) internal successors, (2567), 17 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:20,908 INFO L185 Difference]: Start difference. First operand has 818 places, 1150 transitions, 31779 flow. Second operand 16 states and 539 transitions. [2021-03-26 17:51:20,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 833 places, 1173 transitions, 34994 flow [2021-03-26 17:51:22,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 822 places, 1173 transitions, 34286 flow, removed 225 selfloop flow, removed 11 redundant places. [2021-03-26 17:51:22,929 INFO L241 Difference]: Finished difference. Result has 827 places, 1153 transitions, 31628 flow [2021-03-26 17:51:22,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=31075, PETRI_DIFFERENCE_MINUEND_PLACES=807, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=31628, PETRI_PLACES=827, PETRI_TRANSITIONS=1153} [2021-03-26 17:51:22,929 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 788 predicate places. [2021-03-26 17:51:22,929 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:22,929 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 827 places, 1153 transitions, 31628 flow [2021-03-26 17:51:22,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 827 places, 1153 transitions, 31628 flow [2021-03-26 17:51:22,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 824 places, 1153 transitions, 31628 flow [2021-03-26 17:51:23,446 INFO L129 PetriNetUnfolder]: 904/1991 cut-off events. [2021-03-26 17:51:23,446 INFO L130 PetriNetUnfolder]: For 274854/275336 co-relation queries the response was YES. [2021-03-26 17:51:23,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35317 conditions, 1991 events. 904/1991 cut-off events. For 274854/275336 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 15582 event pairs, 53 based on Foata normal form. 59/2019 useless extension candidates. Maximal degree in co-relation 34971. Up to 561 conditions per place. [2021-03-26 17:51:23,609 INFO L142 LiptonReduction]: Number of co-enabled transitions 894 [2021-03-26 17:51:23,946 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:23,946 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:51:23,946 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1017 [2021-03-26 17:51:23,946 INFO L480 AbstractCegarLoop]: Abstraction has has 824 places, 1153 transitions, 31685 flow [2021-03-26 17:51:23,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:23,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:23,946 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:51:23,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-26 17:51:23,947 INFO L428 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:23,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:23,947 INFO L82 PathProgramCache]: Analyzing trace with hash -335148240, now seen corresponding path program 1 times [2021-03-26 17:51:23,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:23,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071483823] [2021-03-26 17:51:23,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:23,957 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:23,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:23,962 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:23,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:23,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:23,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:23,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:23,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:23,986 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:51:23,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:51:24,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:24,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:24,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:24,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:24,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:24,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:24,025 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-26 17:51:24,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:24,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:24,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:24,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071483823] [2021-03-26 17:51:24,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:24,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:51:24,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810159468] [2021-03-26 17:51:24,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:51:24,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:24,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:51:24,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:51:24,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-26 17:51:24,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 824 places, 1153 transitions, 31685 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:24,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:24,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-26 17:51:24,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:25,752 INFO L129 PetriNetUnfolder]: 1138/2333 cut-off events. [2021-03-26 17:51:25,753 INFO L130 PetriNetUnfolder]: For 305665/305694 co-relation queries the response was YES. [2021-03-26 17:51:25,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43969 conditions, 2333 events. 1138/2333 cut-off events. For 305665/305694 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17395 event pairs, 131 based on Foata normal form. 23/2355 useless extension candidates. Maximal degree in co-relation 43610. Up to 1989 conditions per place. [2021-03-26 17:51:25,813 INFO L132 encePairwiseOnDemand]: 126/152 looper letters, 951 selfloop transitions, 209 changer transitions 1/1169 dead transitions. [2021-03-26 17:51:25,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 1169 transitions, 34368 flow [2021-03-26 17:51:25,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:51:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:51:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 518 transitions. [2021-03-26 17:51:25,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22719298245614036 [2021-03-26 17:51:25,815 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 518 transitions. [2021-03-26 17:51:25,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 518 transitions. [2021-03-26 17:51:25,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:25,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 518 transitions. [2021-03-26 17:51:25,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.53333333333333) internal successors, (518), 15 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:25,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:25,816 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:25,816 INFO L185 Difference]: Start difference. First operand has 824 places, 1153 transitions, 31685 flow. Second operand 15 states and 518 transitions. [2021-03-26 17:51:25,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 1169 transitions, 34368 flow [2021-03-26 17:51:27,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 826 places, 1169 transitions, 33795 flow, removed 83 selfloop flow, removed 12 redundant places. [2021-03-26 17:51:27,761 INFO L241 Difference]: Finished difference. Result has 827 places, 1152 transitions, 31551 flow [2021-03-26 17:51:27,761 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=31112, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=944, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31551, PETRI_PLACES=827, PETRI_TRANSITIONS=1152} [2021-03-26 17:51:27,761 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 788 predicate places. [2021-03-26 17:51:27,761 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:27,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 827 places, 1152 transitions, 31551 flow [2021-03-26 17:51:27,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 827 places, 1152 transitions, 31551 flow [2021-03-26 17:51:27,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 827 places, 1152 transitions, 31551 flow [2021-03-26 17:51:28,303 INFO L129 PetriNetUnfolder]: 898/1990 cut-off events. [2021-03-26 17:51:28,303 INFO L130 PetriNetUnfolder]: For 258277/258763 co-relation queries the response was YES. [2021-03-26 17:51:28,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35180 conditions, 1990 events. 898/1990 cut-off events. For 258277/258763 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 15668 event pairs, 37 based on Foata normal form. 64/2029 useless extension candidates. Maximal degree in co-relation 34836. Up to 553 conditions per place. [2021-03-26 17:51:28,372 INFO L142 LiptonReduction]: Number of co-enabled transitions 890 [2021-03-26 17:51:28,503 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:28,503 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:28,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 742 [2021-03-26 17:51:28,503 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 1152 transitions, 31551 flow [2021-03-26 17:51:28,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:28,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:28,504 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:51:28,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-26 17:51:28,504 INFO L428 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:28,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:28,504 INFO L82 PathProgramCache]: Analyzing trace with hash 274627920, now seen corresponding path program 1 times [2021-03-26 17:51:28,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:28,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152886643] [2021-03-26 17:51:28,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:28,510 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:28,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:28,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:28,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:28,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:28,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:28,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:28,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:28,539 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:28,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:28,558 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:28,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:28,561 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:51:28,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:51:28,583 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 17:51:28,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:51:28,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:51:28,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:28,597 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:28,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:28,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152886643] [2021-03-26 17:51:28,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:28,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 17:51:28,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710836826] [2021-03-26 17:51:28,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 17:51:28,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:28,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 17:51:28,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-03-26 17:51:28,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-26 17:51:28,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 1152 transitions, 31551 flow. Second operand has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:28,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:28,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-26 17:51:28,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:30,118 INFO L129 PetriNetUnfolder]: 1137/2338 cut-off events. [2021-03-26 17:51:30,118 INFO L130 PetriNetUnfolder]: For 299299/299320 co-relation queries the response was YES. [2021-03-26 17:51:30,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43825 conditions, 2338 events. 1137/2338 cut-off events. For 299299/299320 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 17418 event pairs, 148 based on Foata normal form. 18/2355 useless extension candidates. Maximal degree in co-relation 43468. Up to 1882 conditions per place. [2021-03-26 17:51:30,183 INFO L132 encePairwiseOnDemand]: 117/152 looper letters, 826 selfloop transitions, 335 changer transitions 4/1173 dead transitions. [2021-03-26 17:51:30,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 839 places, 1173 transitions, 34570 flow [2021-03-26 17:51:30,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:51:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:51:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 458 transitions. [2021-03-26 17:51:30,185 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23178137651821862 [2021-03-26 17:51:30,185 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 458 transitions. [2021-03-26 17:51:30,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 458 transitions. [2021-03-26 17:51:30,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:30,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 458 transitions. [2021-03-26 17:51:30,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 35.23076923076923) internal successors, (458), 13 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:30,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 152.0) internal successors, (2128), 14 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:30,186 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 152.0) internal successors, (2128), 14 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:30,186 INFO L185 Difference]: Start difference. First operand has 827 places, 1152 transitions, 31551 flow. Second operand 13 states and 458 transitions. [2021-03-26 17:51:30,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 839 places, 1173 transitions, 34570 flow [2021-03-26 17:51:32,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 823 places, 1173 transitions, 34077 flow, removed 1 selfloop flow, removed 16 redundant places. [2021-03-26 17:51:32,193 INFO L241 Difference]: Finished difference. Result has 825 places, 1150 transitions, 31778 flow [2021-03-26 17:51:32,193 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=31058, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=335, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=817, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=31778, PETRI_PLACES=825, PETRI_TRANSITIONS=1150} [2021-03-26 17:51:32,193 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 786 predicate places. [2021-03-26 17:51:32,193 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:32,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 825 places, 1150 transitions, 31778 flow [2021-03-26 17:51:32,193 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 825 places, 1150 transitions, 31778 flow [2021-03-26 17:51:32,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 824 places, 1150 transitions, 31778 flow [2021-03-26 17:51:32,711 INFO L129 PetriNetUnfolder]: 903/1993 cut-off events. [2021-03-26 17:51:32,711 INFO L130 PetriNetUnfolder]: For 262991/263455 co-relation queries the response was YES. [2021-03-26 17:51:32,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35612 conditions, 1993 events. 903/1993 cut-off events. For 262991/263455 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 15616 event pairs, 43 based on Foata normal form. 60/2021 useless extension candidates. Maximal degree in co-relation 35267. Up to 562 conditions per place. [2021-03-26 17:51:32,778 INFO L142 LiptonReduction]: Number of co-enabled transitions 888 [2021-03-26 17:51:32,925 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:32,925 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:32,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 732 [2021-03-26 17:51:32,925 INFO L480 AbstractCegarLoop]: Abstraction has has 824 places, 1150 transitions, 31778 flow [2021-03-26 17:51:32,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.22222222222222) internal successors, (245), 9 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:32,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:32,925 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] [2021-03-26 17:51:32,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-03-26 17:51:32,926 INFO L428 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:32,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:32,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1582075852, now seen corresponding path program 6 times [2021-03-26 17:51:32,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:32,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326606130] [2021-03-26 17:51:32,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:32,933 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:32,938 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:32,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:32,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:32,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:32,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:32,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:32,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:51:32,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:32,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:51:32,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:32,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:51:32,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:32,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:51:32,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:32,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:51:33,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:33,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:33,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:33,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:33,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326606130] [2021-03-26 17:51:33,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:33,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:51:33,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251073359] [2021-03-26 17:51:33,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:51:33,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:33,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:51:33,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:51:33,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-26 17:51:33,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 824 places, 1150 transitions, 31778 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:33,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:33,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-26 17:51:33,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:34,566 INFO L129 PetriNetUnfolder]: 1136/2338 cut-off events. [2021-03-26 17:51:34,566 INFO L130 PetriNetUnfolder]: For 303679/303700 co-relation queries the response was YES. [2021-03-26 17:51:34,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44036 conditions, 2338 events. 1136/2338 cut-off events. For 303679/303700 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 17384 event pairs, 154 based on Foata normal form. 14/2351 useless extension candidates. Maximal degree in co-relation 43678. Up to 2123 conditions per place. [2021-03-26 17:51:34,627 INFO L132 encePairwiseOnDemand]: 135/152 looper letters, 1091 selfloop transitions, 56 changer transitions 5/1160 dead transitions. [2021-03-26 17:51:34,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 837 places, 1160 transitions, 34442 flow [2021-03-26 17:51:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:51:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:51:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 458 transitions. [2021-03-26 17:51:34,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21522556390977443 [2021-03-26 17:51:34,628 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 458 transitions. [2021-03-26 17:51:34,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 458 transitions. [2021-03-26 17:51:34,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:34,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 458 transitions. [2021-03-26 17:51:34,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.714285714285715) internal successors, (458), 14 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:34,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:34,630 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:34,630 INFO L185 Difference]: Start difference. First operand has 824 places, 1150 transitions, 31778 flow. Second operand 14 states and 458 transitions. [2021-03-26 17:51:34,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 837 places, 1160 transitions, 34442 flow [2021-03-26 17:51:36,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 822 places, 1160 transitions, 33695 flow, removed 4 selfloop flow, removed 15 redundant places. [2021-03-26 17:51:36,824 INFO L241 Difference]: Finished difference. Result has 825 places, 1147 transitions, 31086 flow [2021-03-26 17:51:36,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=31031, PETRI_DIFFERENCE_MINUEND_PLACES=809, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1094, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31086, PETRI_PLACES=825, PETRI_TRANSITIONS=1147} [2021-03-26 17:51:36,824 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 786 predicate places. [2021-03-26 17:51:36,824 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:36,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 825 places, 1147 transitions, 31086 flow [2021-03-26 17:51:36,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 825 places, 1147 transitions, 31086 flow [2021-03-26 17:51:36,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 824 places, 1147 transitions, 31086 flow [2021-03-26 17:51:37,397 INFO L129 PetriNetUnfolder]: 895/1986 cut-off events. [2021-03-26 17:51:37,397 INFO L130 PetriNetUnfolder]: For 259951/260377 co-relation queries the response was YES. [2021-03-26 17:51:37,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34999 conditions, 1986 events. 895/1986 cut-off events. For 259951/260377 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 15638 event pairs, 49 based on Foata normal form. 51/2014 useless extension candidates. Maximal degree in co-relation 34670. Up to 552 conditions per place. [2021-03-26 17:51:37,469 INFO L142 LiptonReduction]: Number of co-enabled transitions 888 [2021-03-26 17:51:37,613 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:37,613 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:37,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 790 [2021-03-26 17:51:37,614 INFO L480 AbstractCegarLoop]: Abstraction has has 824 places, 1147 transitions, 31086 flow [2021-03-26 17:51:37,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:37,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:37,614 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] [2021-03-26 17:51:37,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-03-26 17:51:37,614 INFO L428 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:37,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:37,614 INFO L82 PathProgramCache]: Analyzing trace with hash 357216108, now seen corresponding path program 4 times [2021-03-26 17:51:37,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:37,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021853718] [2021-03-26 17:51:37,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:37,620 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:37,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:37,624 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:37,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:37,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:37,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:37,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:37,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:37,649 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:37,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:37,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:37,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:37,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:37,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:37,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:37,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:37,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:37,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:37,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:37,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:37,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:37,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:37,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:37,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021853718] [2021-03-26 17:51:37,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:37,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:51:37,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093337471] [2021-03-26 17:51:37,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:51:37,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:37,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:51:37,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:51:37,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-26 17:51:37,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 824 places, 1147 transitions, 31086 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:37,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:37,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-26 17:51:37,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:39,400 INFO L129 PetriNetUnfolder]: 1139/2347 cut-off events. [2021-03-26 17:51:39,400 INFO L130 PetriNetUnfolder]: For 310291/310312 co-relation queries the response was YES. [2021-03-26 17:51:39,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44107 conditions, 2347 events. 1139/2347 cut-off events. For 310291/310312 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 17598 event pairs, 118 based on Foata normal form. 18/2364 useless extension candidates. Maximal degree in co-relation 43774. Up to 1988 conditions per place. [2021-03-26 17:51:39,461 INFO L132 encePairwiseOnDemand]: 126/152 looper letters, 943 selfloop transitions, 220 changer transitions 4/1175 dead transitions. [2021-03-26 17:51:39,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 1175 transitions, 34287 flow [2021-03-26 17:51:39,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:51:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:51:39,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 512 transitions. [2021-03-26 17:51:39,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22456140350877193 [2021-03-26 17:51:39,463 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 512 transitions. [2021-03-26 17:51:39,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 512 transitions. [2021-03-26 17:51:39,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:39,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 512 transitions. [2021-03-26 17:51:39,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.13333333333333) internal successors, (512), 15 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:39,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:39,464 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:39,464 INFO L185 Difference]: Start difference. First operand has 824 places, 1147 transitions, 31086 flow. Second operand 15 states and 512 transitions. [2021-03-26 17:51:39,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 1175 transitions, 34287 flow [2021-03-26 17:51:41,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 822 places, 1175 transitions, 34149 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-26 17:51:41,641 INFO L241 Difference]: Finished difference. Result has 826 places, 1155 transitions, 31804 flow [2021-03-26 17:51:41,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=30958, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=212, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=932, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31804, PETRI_PLACES=826, PETRI_TRANSITIONS=1155} [2021-03-26 17:51:41,642 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 787 predicate places. [2021-03-26 17:51:41,642 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:41,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 826 places, 1155 transitions, 31804 flow [2021-03-26 17:51:41,642 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 826 places, 1155 transitions, 31804 flow [2021-03-26 17:51:41,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 825 places, 1155 transitions, 31804 flow [2021-03-26 17:51:42,169 INFO L129 PetriNetUnfolder]: 899/2000 cut-off events. [2021-03-26 17:51:42,169 INFO L130 PetriNetUnfolder]: For 263459/263758 co-relation queries the response was YES. [2021-03-26 17:51:42,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35553 conditions, 2000 events. 899/2000 cut-off events. For 263459/263758 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 15806 event pairs, 50 based on Foata normal form. 49/2025 useless extension candidates. Maximal degree in co-relation 35224. Up to 556 conditions per place. [2021-03-26 17:51:42,238 INFO L142 LiptonReduction]: Number of co-enabled transitions 888 [2021-03-26 17:51:42,386 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:42,386 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:42,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 744 [2021-03-26 17:51:42,386 INFO L480 AbstractCegarLoop]: Abstraction has has 825 places, 1155 transitions, 31804 flow [2021-03-26 17:51:42,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:42,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:42,387 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] [2021-03-26 17:51:42,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-03-26 17:51:42,387 INFO L428 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:42,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:42,387 INFO L82 PathProgramCache]: Analyzing trace with hash -139081297, now seen corresponding path program 6 times [2021-03-26 17:51:42,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:42,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205714329] [2021-03-26 17:51:42,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:42,396 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:42,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:42,401 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:42,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:42,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:42,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:42,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:42,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:42,426 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:51:42,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:51:42,450 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:51:42,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:51:42,476 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:51:42,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:51:42,502 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:51:42,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:51:42,531 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:51:42,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:51:42,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:42,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:42,574 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:42,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:42,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:42,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205714329] [2021-03-26 17:51:42,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:42,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:51:42,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941384451] [2021-03-26 17:51:42,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:51:42,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:42,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:51:42,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:51:42,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 152 [2021-03-26 17:51:42,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 825 places, 1155 transitions, 31804 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:42,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:42,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 152 [2021-03-26 17:51:42,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:44,276 INFO L129 PetriNetUnfolder]: 1138/2347 cut-off events. [2021-03-26 17:51:44,276 INFO L130 PetriNetUnfolder]: For 313389/313410 co-relation queries the response was YES. [2021-03-26 17:51:44,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44378 conditions, 2347 events. 1138/2347 cut-off events. For 313389/313410 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 17516 event pairs, 150 based on Foata normal form. 14/2360 useless extension candidates. Maximal degree in co-relation 44041. Up to 2086 conditions per place. [2021-03-26 17:51:44,336 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 1070 selfloop transitions, 99 changer transitions 2/1179 dead transitions. [2021-03-26 17:51:44,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 839 places, 1179 transitions, 35135 flow [2021-03-26 17:51:44,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:51:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:51:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 495 transitions. [2021-03-26 17:51:44,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21710526315789475 [2021-03-26 17:51:44,338 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 495 transitions. [2021-03-26 17:51:44,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 495 transitions. [2021-03-26 17:51:44,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:44,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 495 transitions. [2021-03-26 17:51:44,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.0) internal successors, (495), 15 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:44,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:44,339 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:44,339 INFO L185 Difference]: Start difference. First operand has 825 places, 1155 transitions, 31804 flow. Second operand 15 states and 495 transitions. [2021-03-26 17:51:44,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 839 places, 1179 transitions, 35135 flow [2021-03-26 17:51:46,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 826 places, 1179 transitions, 34459 flow, removed 139 selfloop flow, removed 13 redundant places. [2021-03-26 17:51:46,409 INFO L241 Difference]: Finished difference. Result has 830 places, 1159 transitions, 31501 flow [2021-03-26 17:51:46,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=31146, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31501, PETRI_PLACES=830, PETRI_TRANSITIONS=1159} [2021-03-26 17:51:46,409 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 791 predicate places. [2021-03-26 17:51:46,409 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:46,409 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 830 places, 1159 transitions, 31501 flow [2021-03-26 17:51:46,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 830 places, 1159 transitions, 31501 flow [2021-03-26 17:51:46,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 829 places, 1159 transitions, 31501 flow [2021-03-26 17:51:46,943 INFO L129 PetriNetUnfolder]: 897/2007 cut-off events. [2021-03-26 17:51:46,944 INFO L130 PetriNetUnfolder]: For 260076/260522 co-relation queries the response was YES. [2021-03-26 17:51:46,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35349 conditions, 2007 events. 897/2007 cut-off events. For 260076/260522 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 15926 event pairs, 40 based on Foata normal form. 59/2041 useless extension candidates. Maximal degree in co-relation 35016. Up to 556 conditions per place. [2021-03-26 17:51:47,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 890 [2021-03-26 17:51:47,396 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:47,396 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:51:47,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 987 [2021-03-26 17:51:47,397 INFO L480 AbstractCegarLoop]: Abstraction has has 828 places, 1158 transitions, 31495 flow [2021-03-26 17:51:47,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:47,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:47,397 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] [2021-03-26 17:51:47,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-03-26 17:51:47,397 INFO L428 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:47,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:47,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1002265883, now seen corresponding path program 2 times [2021-03-26 17:51:47,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:47,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126506148] [2021-03-26 17:51:47,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:47,403 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:47,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:47,407 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:47,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:47,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:47,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:47,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:47,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:47,432 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:47,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:47,452 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:47,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:47,455 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:51:47,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:51:47,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:47,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:51:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:47,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:47,500 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:51:47,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:47,513 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:47,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:47,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126506148] [2021-03-26 17:51:47,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:47,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:51:47,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124873479] [2021-03-26 17:51:47,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:51:47,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:47,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:51:47,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:51:47,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-26 17:51:47,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 828 places, 1158 transitions, 31495 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:47,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:47,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-26 17:51:47,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:49,283 INFO L129 PetriNetUnfolder]: 1140/2354 cut-off events. [2021-03-26 17:51:49,283 INFO L130 PetriNetUnfolder]: For 316208/316238 co-relation queries the response was YES. [2021-03-26 17:51:49,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44484 conditions, 2354 events. 1140/2354 cut-off events. For 316208/316238 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 17663 event pairs, 125 based on Foata normal form. 23/2376 useless extension candidates. Maximal degree in co-relation 44146. Up to 1996 conditions per place. [2021-03-26 17:51:49,344 INFO L132 encePairwiseOnDemand]: 128/153 looper letters, 952 selfloop transitions, 217 changer transitions 2/1179 dead transitions. [2021-03-26 17:51:49,344 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 1179 transitions, 34870 flow [2021-03-26 17:51:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:51:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:51:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 484 transitions. [2021-03-26 17:51:49,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22595704948646125 [2021-03-26 17:51:49,346 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 484 transitions. [2021-03-26 17:51:49,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 484 transitions. [2021-03-26 17:51:49,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:49,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 484 transitions. [2021-03-26 17:51:49,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.57142857142857) internal successors, (484), 14 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:49,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 153.0) internal successors, (2295), 15 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:49,347 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 153.0) internal successors, (2295), 15 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:49,347 INFO L185 Difference]: Start difference. First operand has 828 places, 1158 transitions, 31495 flow. Second operand 14 states and 484 transitions. [2021-03-26 17:51:49,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 1179 transitions, 34870 flow [2021-03-26 17:51:51,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 830 places, 1179 transitions, 34591 flow, removed 53 selfloop flow, removed 11 redundant places. [2021-03-26 17:51:51,607 INFO L241 Difference]: Finished difference. Result has 832 places, 1163 transitions, 32202 flow [2021-03-26 17:51:51,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=31216, PETRI_DIFFERENCE_MINUEND_PLACES=817, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=32202, PETRI_PLACES=832, PETRI_TRANSITIONS=1163} [2021-03-26 17:51:51,607 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 793 predicate places. [2021-03-26 17:51:51,607 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:51,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 832 places, 1163 transitions, 32202 flow [2021-03-26 17:51:51,607 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 832 places, 1163 transitions, 32202 flow [2021-03-26 17:51:51,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 831 places, 1163 transitions, 32202 flow [2021-03-26 17:51:52,135 INFO L129 PetriNetUnfolder]: 897/2011 cut-off events. [2021-03-26 17:51:52,135 INFO L130 PetriNetUnfolder]: For 274465/274854 co-relation queries the response was YES. [2021-03-26 17:51:52,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35988 conditions, 2011 events. 897/2011 cut-off events. For 274465/274854 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 15942 event pairs, 48 based on Foata normal form. 35/2018 useless extension candidates. Maximal degree in co-relation 35643. Up to 560 conditions per place. [2021-03-26 17:51:52,203 INFO L142 LiptonReduction]: Number of co-enabled transitions 890 [2021-03-26 17:51:52,352 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:52,352 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:52,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 745 [2021-03-26 17:51:52,353 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 1163 transitions, 32202 flow [2021-03-26 17:51:52,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:52,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:52,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:51:52,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-26 17:51:52,353 INFO L428 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:52,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:52,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1874511239, now seen corresponding path program 1 times [2021-03-26 17:51:52,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:52,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465565470] [2021-03-26 17:51:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:52,368 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:52,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:52,373 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:52,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:52,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:52,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:52,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:52,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:52,398 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:51:52,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:51:52,418 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:51:52,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:52,440 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:51:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:52,463 INFO L142 QuantifierPusher]: treesize reduction 48, result has 43.5 percent of original size [2021-03-26 17:51:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 17:51:52,489 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:51:52,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:51:52,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:52,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:52,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465565470] [2021-03-26 17:51:52,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:52,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:51:52,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908610308] [2021-03-26 17:51:52,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:51:52,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:52,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:51:52,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:51:52,512 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-26 17:51:52,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 1163 transitions, 32202 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:52,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:52,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-26 17:51:52,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:54,387 INFO L129 PetriNetUnfolder]: 1153/2372 cut-off events. [2021-03-26 17:51:54,387 INFO L130 PetriNetUnfolder]: For 339652/339673 co-relation queries the response was YES. [2021-03-26 17:51:54,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45430 conditions, 2372 events. 1153/2372 cut-off events. For 339652/339673 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 17782 event pairs, 134 based on Foata normal form. 18/2389 useless extension candidates. Maximal degree in co-relation 45072. Up to 1804 conditions per place. [2021-03-26 17:51:54,449 INFO L132 encePairwiseOnDemand]: 116/153 looper letters, 775 selfloop transitions, 411 changer transitions 2/1196 dead transitions. [2021-03-26 17:51:54,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 1196 transitions, 36328 flow [2021-03-26 17:51:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:51:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:51:54,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 637 transitions. [2021-03-26 17:51:54,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2191262469900241 [2021-03-26 17:51:54,451 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 637 transitions. [2021-03-26 17:51:54,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 637 transitions. [2021-03-26 17:51:54,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:54,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 637 transitions. [2021-03-26 17:51:54,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.526315789473685) internal successors, (637), 19 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:54,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 153.0) internal successors, (3060), 20 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:54,453 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 153.0) internal successors, (3060), 20 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:54,453 INFO L185 Difference]: Start difference. First operand has 831 places, 1163 transitions, 32202 flow. Second operand 19 states and 637 transitions. [2021-03-26 17:51:54,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 1196 transitions, 36328 flow [2021-03-26 17:51:56,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 1196 transitions, 35531 flow, removed 242 selfloop flow, removed 9 redundant places. [2021-03-26 17:51:56,789 INFO L241 Difference]: Finished difference. Result has 844 places, 1172 transitions, 33052 flow [2021-03-26 17:51:56,789 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=31405, PETRI_DIFFERENCE_MINUEND_PLACES=822, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=401, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=759, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=33052, PETRI_PLACES=844, PETRI_TRANSITIONS=1172} [2021-03-26 17:51:56,789 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 805 predicate places. [2021-03-26 17:51:56,789 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:51:56,789 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 844 places, 1172 transitions, 33052 flow [2021-03-26 17:51:56,790 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 844 places, 1172 transitions, 33052 flow [2021-03-26 17:51:56,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 841 places, 1172 transitions, 33052 flow [2021-03-26 17:51:57,405 INFO L129 PetriNetUnfolder]: 920/2031 cut-off events. [2021-03-26 17:51:57,405 INFO L130 PetriNetUnfolder]: For 290309/290720 co-relation queries the response was YES. [2021-03-26 17:51:57,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37324 conditions, 2031 events. 920/2031 cut-off events. For 290309/290720 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 16039 event pairs, 39 based on Foata normal form. 37/2029 useless extension candidates. Maximal degree in co-relation 36975. Up to 578 conditions per place. [2021-03-26 17:51:57,476 INFO L142 LiptonReduction]: Number of co-enabled transitions 900 [2021-03-26 17:51:57,630 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:51:57,630 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:51:57,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 841 [2021-03-26 17:51:57,631 INFO L480 AbstractCegarLoop]: Abstraction has has 841 places, 1172 transitions, 33052 flow [2021-03-26 17:51:57,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:57,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:51:57,631 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] [2021-03-26 17:51:57,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-26 17:51:57,631 INFO L428 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:51:57,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:51:57,631 INFO L82 PathProgramCache]: Analyzing trace with hash 716572442, now seen corresponding path program 5 times [2021-03-26 17:51:57,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:51:57,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760404836] [2021-03-26 17:51:57,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:51:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:51:57,642 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:51:57,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:51:57,647 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:51:57,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:57,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:51:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:51:57,677 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:51:57,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:51:57,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:57,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:57,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:51:57,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:57,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:51:57,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:57,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:51:57,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:51:57,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:51:57,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:51:57,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:51:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:51:57,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760404836] [2021-03-26 17:51:57,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:51:57,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:51:57,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594477784] [2021-03-26 17:51:57,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:51:57,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:51:57,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:51:57,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:51:57,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-26 17:51:57,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 841 places, 1172 transitions, 33052 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:57,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:51:57,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-26 17:51:57,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:51:59,563 INFO L129 PetriNetUnfolder]: 1152/2377 cut-off events. [2021-03-26 17:51:59,563 INFO L130 PetriNetUnfolder]: For 344570/344574 co-relation queries the response was YES. [2021-03-26 17:51:59,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46229 conditions, 2377 events. 1152/2377 cut-off events. For 344570/344574 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 17830 event pairs, 138 based on Foata normal form. 5/2381 useless extension candidates. Maximal degree in co-relation 45867. Up to 2010 conditions per place. [2021-03-26 17:51:59,625 INFO L132 encePairwiseOnDemand]: 127/153 looper letters, 956 selfloop transitions, 223 changer transitions 3/1190 dead transitions. [2021-03-26 17:51:59,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 856 places, 1190 transitions, 36043 flow [2021-03-26 17:51:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:51:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:51:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 541 transitions. [2021-03-26 17:51:59,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22099673202614378 [2021-03-26 17:51:59,627 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 541 transitions. [2021-03-26 17:51:59,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 541 transitions. [2021-03-26 17:51:59,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:51:59,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 541 transitions. [2021-03-26 17:51:59,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.8125) internal successors, (541), 16 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:59,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 153.0) internal successors, (2601), 17 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:59,628 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 153.0) internal successors, (2601), 17 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:51:59,628 INFO L185 Difference]: Start difference. First operand has 841 places, 1172 transitions, 33052 flow. Second operand 16 states and 541 transitions. [2021-03-26 17:51:59,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 856 places, 1190 transitions, 36043 flow [2021-03-26 17:52:01,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 846 places, 1190 transitions, 35151 flow, removed 160 selfloop flow, removed 10 redundant places. [2021-03-26 17:52:01,894 INFO L241 Difference]: Finished difference. Result has 849 places, 1173 transitions, 32774 flow [2021-03-26 17:52:01,894 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=32160, PETRI_DIFFERENCE_MINUEND_PLACES=831, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=949, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=32774, PETRI_PLACES=849, PETRI_TRANSITIONS=1173} [2021-03-26 17:52:01,894 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 810 predicate places. [2021-03-26 17:52:01,895 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:01,895 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 849 places, 1173 transitions, 32774 flow [2021-03-26 17:52:01,895 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 849 places, 1173 transitions, 32774 flow [2021-03-26 17:52:01,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 848 places, 1173 transitions, 32774 flow [2021-03-26 17:52:02,457 INFO L129 PetriNetUnfolder]: 916/2030 cut-off events. [2021-03-26 17:52:02,457 INFO L130 PetriNetUnfolder]: For 292067/292596 co-relation queries the response was YES. [2021-03-26 17:52:02,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37228 conditions, 2030 events. 916/2030 cut-off events. For 292067/292596 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 16050 event pairs, 34 based on Foata normal form. 52/2050 useless extension candidates. Maximal degree in co-relation 36892. Up to 574 conditions per place. [2021-03-26 17:52:02,533 INFO L142 LiptonReduction]: Number of co-enabled transitions 900 [2021-03-26 17:52:02,666 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:02,667 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:52:02,667 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 772 [2021-03-26 17:52:02,667 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 1173 transitions, 32774 flow [2021-03-26 17:52:02,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:02,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:02,667 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] [2021-03-26 17:52:02,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-26 17:52:02,667 INFO L428 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:02,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:02,668 INFO L82 PathProgramCache]: Analyzing trace with hash 889820134, now seen corresponding path program 6 times [2021-03-26 17:52:02,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:02,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475530461] [2021-03-26 17:52:02,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:02,675 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:02,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:02,680 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:02,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:02,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:02,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:02,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:02,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:02,704 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:52:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:52:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:52:02,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:02,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:02,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:02,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:02,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:02,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:02,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:52:02,785 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:52:02,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:52:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:02,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475530461] [2021-03-26 17:52:02,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:02,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:52:02,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517904018] [2021-03-26 17:52:02,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:52:02,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:02,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:52:02,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:52:02,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-26 17:52:02,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 1173 transitions, 32774 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:02,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:02,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-26 17:52:02,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:04,560 INFO L129 PetriNetUnfolder]: 1161/2396 cut-off events. [2021-03-26 17:52:04,560 INFO L130 PetriNetUnfolder]: For 352705/352726 co-relation queries the response was YES. [2021-03-26 17:52:04,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46782 conditions, 2396 events. 1161/2396 cut-off events. For 352705/352726 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 17999 event pairs, 125 based on Foata normal form. 18/2413 useless extension candidates. Maximal degree in co-relation 46442. Up to 2013 conditions per place. [2021-03-26 17:52:04,624 INFO L132 encePairwiseOnDemand]: 127/153 looper letters, 954 selfloop transitions, 244 changer transitions 2/1208 dead transitions. [2021-03-26 17:52:04,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 1208 transitions, 36629 flow [2021-03-26 17:52:04,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:52:04,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:52:04,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 600 transitions. [2021-03-26 17:52:04,625 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2178649237472767 [2021-03-26 17:52:04,625 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 600 transitions. [2021-03-26 17:52:04,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 600 transitions. [2021-03-26 17:52:04,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:04,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 600 transitions. [2021-03-26 17:52:04,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.333333333333336) internal successors, (600), 18 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:04,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:04,627 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:04,627 INFO L185 Difference]: Start difference. First operand has 848 places, 1173 transitions, 32774 flow. Second operand 18 states and 600 transitions. [2021-03-26 17:52:04,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 1208 transitions, 36629 flow [2021-03-26 17:52:06,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 850 places, 1208 transitions, 36025 flow, removed 75 selfloop flow, removed 15 redundant places. [2021-03-26 17:52:06,646 INFO L241 Difference]: Finished difference. Result has 853 places, 1187 transitions, 33499 flow [2021-03-26 17:52:06,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=32198, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=33499, PETRI_PLACES=853, PETRI_TRANSITIONS=1187} [2021-03-26 17:52:06,647 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 814 predicate places. [2021-03-26 17:52:06,647 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:06,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 853 places, 1187 transitions, 33499 flow [2021-03-26 17:52:06,647 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 853 places, 1187 transitions, 33499 flow [2021-03-26 17:52:06,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 852 places, 1187 transitions, 33499 flow [2021-03-26 17:52:07,209 INFO L129 PetriNetUnfolder]: 924/2045 cut-off events. [2021-03-26 17:52:07,209 INFO L130 PetriNetUnfolder]: For 302772/303135 co-relation queries the response was YES. [2021-03-26 17:52:07,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37663 conditions, 2045 events. 924/2045 cut-off events. For 302772/303135 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 16135 event pairs, 53 based on Foata normal form. 42/2054 useless extension candidates. Maximal degree in co-relation 37326. Up to 576 conditions per place. [2021-03-26 17:52:07,283 INFO L142 LiptonReduction]: Number of co-enabled transitions 902 [2021-03-26 17:52:07,441 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:07,441 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:52:07,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 794 [2021-03-26 17:52:07,442 INFO L480 AbstractCegarLoop]: Abstraction has has 852 places, 1187 transitions, 33499 flow [2021-03-26 17:52:07,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:07,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:07,442 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] [2021-03-26 17:52:07,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-26 17:52:07,442 INFO L428 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:07,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:07,442 INFO L82 PathProgramCache]: Analyzing trace with hash -756547739, now seen corresponding path program 7 times [2021-03-26 17:52:07,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:07,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878254833] [2021-03-26 17:52:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:07,449 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:07,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:07,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:07,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:07,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:07,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:07,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:07,479 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:52:07,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:52:07,503 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:52:07,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:52:07,529 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:52:07,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:52:07,555 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:52:07,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:52:07,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:07,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:07,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:07,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:52:07,611 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:52:07,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:52:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:07,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878254833] [2021-03-26 17:52:07,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:07,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:52:07,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437510383] [2021-03-26 17:52:07,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:52:07,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:07,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:52:07,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:52:07,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-26 17:52:07,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 852 places, 1187 transitions, 33499 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:07,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:07,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-26 17:52:07,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:09,301 INFO L129 PetriNetUnfolder]: 1160/2394 cut-off events. [2021-03-26 17:52:09,301 INFO L130 PetriNetUnfolder]: For 354781/354809 co-relation queries the response was YES. [2021-03-26 17:52:09,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46925 conditions, 2394 events. 1160/2394 cut-off events. For 354781/354809 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17934 event pairs, 157 based on Foata normal form. 21/2414 useless extension candidates. Maximal degree in co-relation 46584. Up to 2129 conditions per place. [2021-03-26 17:52:09,365 INFO L132 encePairwiseOnDemand]: 135/153 looper letters, 1094 selfloop transitions, 100 changer transitions 5/1207 dead transitions. [2021-03-26 17:52:09,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 866 places, 1207 transitions, 36905 flow [2021-03-26 17:52:09,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:52:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:52:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2021-03-26 17:52:09,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2169934640522876 [2021-03-26 17:52:09,367 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 498 transitions. [2021-03-26 17:52:09,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 498 transitions. [2021-03-26 17:52:09,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:09,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 498 transitions. [2021-03-26 17:52:09,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.2) internal successors, (498), 15 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:09,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:09,368 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:09,369 INFO L185 Difference]: Start difference. First operand has 852 places, 1187 transitions, 33499 flow. Second operand 15 states and 498 transitions. [2021-03-26 17:52:09,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 866 places, 1207 transitions, 36905 flow [2021-03-26 17:52:11,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 1207 transitions, 36065 flow, removed 307 selfloop flow, removed 9 redundant places. [2021-03-26 17:52:11,635 INFO L241 Difference]: Finished difference. Result has 860 places, 1184 transitions, 32774 flow [2021-03-26 17:52:11,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=32665, PETRI_DIFFERENCE_MINUEND_PLACES=843, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1087, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=32774, PETRI_PLACES=860, PETRI_TRANSITIONS=1184} [2021-03-26 17:52:11,635 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 821 predicate places. [2021-03-26 17:52:11,635 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:11,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 860 places, 1184 transitions, 32774 flow [2021-03-26 17:52:11,635 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 860 places, 1184 transitions, 32774 flow [2021-03-26 17:52:11,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 1184 transitions, 32774 flow [2021-03-26 17:52:12,184 INFO L129 PetriNetUnfolder]: 927/2048 cut-off events. [2021-03-26 17:52:12,184 INFO L130 PetriNetUnfolder]: For 294368/294744 co-relation queries the response was YES. [2021-03-26 17:52:12,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37621 conditions, 2048 events. 927/2048 cut-off events. For 294368/294744 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 16230 event pairs, 44 based on Foata normal form. 36/2044 useless extension candidates. Maximal degree in co-relation 37281. Up to 570 conditions per place. [2021-03-26 17:52:12,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 902 [2021-03-26 17:52:12,412 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:12,412 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:52:12,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 778 [2021-03-26 17:52:12,413 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 1184 transitions, 32774 flow [2021-03-26 17:52:12,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:12,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:12,413 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] [2021-03-26 17:52:12,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-26 17:52:12,413 INFO L428 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:12,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:12,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2079417867, now seen corresponding path program 3 times [2021-03-26 17:52:12,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:12,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050325740] [2021-03-26 17:52:12,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:12,420 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:12,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:12,425 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:12,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:12,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:12,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:12,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:12,449 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:52:12,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:52:12,469 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:52:12,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:52:12,472 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:52:12,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:52:12,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:12,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:12,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:52:12,517 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:52:12,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:12,530 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:52:12,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:52:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:12,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050325740] [2021-03-26 17:52:12,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:12,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:52:12,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769189878] [2021-03-26 17:52:12,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:52:12,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:12,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:52:12,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:52:12,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-26 17:52:12,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 1184 transitions, 32774 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:12,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:12,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-26 17:52:12,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:14,387 INFO L129 PetriNetUnfolder]: 1192/2447 cut-off events. [2021-03-26 17:52:14,387 INFO L130 PetriNetUnfolder]: For 391509/391530 co-relation queries the response was YES. [2021-03-26 17:52:14,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49155 conditions, 2447 events. 1192/2447 cut-off events. For 391509/391530 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 18377 event pairs, 136 based on Foata normal form. 18/2464 useless extension candidates. Maximal degree in co-relation 48811. Up to 1817 conditions per place. [2021-03-26 17:52:14,448 INFO L132 encePairwiseOnDemand]: 115/153 looper letters, 742 selfloop transitions, 483 changer transitions 7/1240 dead transitions. [2021-03-26 17:52:14,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 876 places, 1240 transitions, 38474 flow [2021-03-26 17:52:14,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:52:14,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:52:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 601 transitions. [2021-03-26 17:52:14,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21822803195352214 [2021-03-26 17:52:14,450 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 601 transitions. [2021-03-26 17:52:14,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 601 transitions. [2021-03-26 17:52:14,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:14,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 601 transitions. [2021-03-26 17:52:14,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.388888888888886) internal successors, (601), 18 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:14,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:14,452 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:14,452 INFO L185 Difference]: Start difference. First operand has 859 places, 1184 transitions, 32774 flow. Second operand 18 states and 601 transitions. [2021-03-26 17:52:14,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 876 places, 1240 transitions, 38474 flow [2021-03-26 17:52:16,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 1240 transitions, 38242 flow, removed 16 selfloop flow, removed 16 redundant places. [2021-03-26 17:52:16,681 INFO L241 Difference]: Finished difference. Result has 863 places, 1212 transitions, 35862 flow [2021-03-26 17:52:16,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=32566, PETRI_DIFFERENCE_MINUEND_PLACES=843, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=460, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=35862, PETRI_PLACES=863, PETRI_TRANSITIONS=1212} [2021-03-26 17:52:16,681 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 824 predicate places. [2021-03-26 17:52:16,681 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:16,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 863 places, 1212 transitions, 35862 flow [2021-03-26 17:52:16,682 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 863 places, 1212 transitions, 35862 flow [2021-03-26 17:52:16,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 862 places, 1212 transitions, 35862 flow [2021-03-26 17:52:17,274 INFO L129 PetriNetUnfolder]: 942/2074 cut-off events. [2021-03-26 17:52:17,274 INFO L130 PetriNetUnfolder]: For 338415/338828 co-relation queries the response was YES. [2021-03-26 17:52:17,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39785 conditions, 2074 events. 942/2074 cut-off events. For 338415/338828 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 16447 event pairs, 36 based on Foata normal form. 16/2051 useless extension candidates. Maximal degree in co-relation 39432. Up to 595 conditions per place. [2021-03-26 17:52:17,350 INFO L142 LiptonReduction]: Number of co-enabled transitions 918 [2021-03-26 17:52:17,516 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:17,516 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:52:17,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 835 [2021-03-26 17:52:17,517 INFO L480 AbstractCegarLoop]: Abstraction has has 862 places, 1212 transitions, 35862 flow [2021-03-26 17:52:17,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:17,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:17,517 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:52:17,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-03-26 17:52:17,517 INFO L428 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:17,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:17,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1046846050, now seen corresponding path program 7 times [2021-03-26 17:52:17,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:17,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849066321] [2021-03-26 17:52:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:17,523 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:17,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:17,527 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:17,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:17,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:17,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:17,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:17,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:17,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:17,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:17,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:52:17,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:17,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:17,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:17,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849066321] [2021-03-26 17:52:17,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:17,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:52:17,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284558048] [2021-03-26 17:52:17,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:52:17,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:17,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:52:17,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:52:17,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-26 17:52:17,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 862 places, 1212 transitions, 35862 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:17,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:17,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-26 17:52:17,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:19,402 INFO L129 PetriNetUnfolder]: 1191/2439 cut-off events. [2021-03-26 17:52:19,402 INFO L130 PetriNetUnfolder]: For 395974/395978 co-relation queries the response was YES. [2021-03-26 17:52:19,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49632 conditions, 2439 events. 1191/2439 cut-off events. For 395974/395978 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 18361 event pairs, 181 based on Foata normal form. 5/2443 useless extension candidates. Maximal degree in co-relation 49278. Up to 2231 conditions per place. [2021-03-26 17:52:19,588 INFO L132 encePairwiseOnDemand]: 136/153 looper letters, 1155 selfloop transitions, 53 changer transitions 6/1222 dead transitions. [2021-03-26 17:52:19,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 876 places, 1222 transitions, 38684 flow [2021-03-26 17:52:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:52:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:52:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 483 transitions. [2021-03-26 17:52:19,589 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21045751633986928 [2021-03-26 17:52:19,589 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 483 transitions. [2021-03-26 17:52:19,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 483 transitions. [2021-03-26 17:52:19,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:19,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 483 transitions. [2021-03-26 17:52:19,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.2) internal successors, (483), 15 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:19,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:19,591 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 153.0) internal successors, (2448), 16 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:19,591 INFO L185 Difference]: Start difference. First operand has 862 places, 1212 transitions, 35862 flow. Second operand 15 states and 483 transitions. [2021-03-26 17:52:19,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 876 places, 1222 transitions, 38684 flow [2021-03-26 17:52:22,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 1222 transitions, 37108 flow, removed 709 selfloop flow, removed 7 redundant places. [2021-03-26 17:52:22,211 INFO L241 Difference]: Finished difference. Result has 872 places, 1208 transitions, 34281 flow [2021-03-26 17:52:22,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=34288, PETRI_DIFFERENCE_MINUEND_PLACES=855, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=34281, PETRI_PLACES=872, PETRI_TRANSITIONS=1208} [2021-03-26 17:52:22,212 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 833 predicate places. [2021-03-26 17:52:22,212 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:22,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 872 places, 1208 transitions, 34281 flow [2021-03-26 17:52:22,212 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 872 places, 1208 transitions, 34281 flow [2021-03-26 17:52:22,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 867 places, 1208 transitions, 34281 flow [2021-03-26 17:52:22,775 INFO L129 PetriNetUnfolder]: 939/2068 cut-off events. [2021-03-26 17:52:22,775 INFO L130 PetriNetUnfolder]: For 313755/314156 co-relation queries the response was YES. [2021-03-26 17:52:22,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38506 conditions, 2068 events. 939/2068 cut-off events. For 313755/314156 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 16405 event pairs, 49 based on Foata normal form. 53/2095 useless extension candidates. Maximal degree in co-relation 38167. Up to 566 conditions per place. [2021-03-26 17:52:22,849 INFO L142 LiptonReduction]: Number of co-enabled transitions 918 [2021-03-26 17:52:23,006 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:23,006 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:52:23,006 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 794 [2021-03-26 17:52:23,007 INFO L480 AbstractCegarLoop]: Abstraction has has 867 places, 1208 transitions, 34281 flow [2021-03-26 17:52:23,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:23,007 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:23,007 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] [2021-03-26 17:52:23,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-03-26 17:52:23,007 INFO L428 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:23,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:23,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1127531497, now seen corresponding path program 8 times [2021-03-26 17:52:23,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:23,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697559963] [2021-03-26 17:52:23,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:23,017 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:23,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:23,022 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:23,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:23,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:23,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:23,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:23,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:23,047 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:52:23,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:52:23,072 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:52:23,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:52:23,099 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:52:23,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:52:23,126 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:52:23,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:52:23,154 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:52:23,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:52:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:23,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:52:23,197 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:52:23,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:52:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:23,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697559963] [2021-03-26 17:52:23,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:23,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:52:23,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796506420] [2021-03-26 17:52:23,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:52:23,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:23,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:52:23,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:52:23,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 153 [2021-03-26 17:52:23,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 867 places, 1208 transitions, 34281 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:23,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:23,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 153 [2021-03-26 17:52:23,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:25,069 INFO L129 PetriNetUnfolder]: 1190/2441 cut-off events. [2021-03-26 17:52:25,069 INFO L130 PetriNetUnfolder]: For 366112/366133 co-relation queries the response was YES. [2021-03-26 17:52:25,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48424 conditions, 2441 events. 1190/2441 cut-off events. For 366112/366133 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 18339 event pairs, 175 based on Foata normal form. 14/2454 useless extension candidates. Maximal degree in co-relation 48078. Up to 2177 conditions per place. [2021-03-26 17:52:25,137 INFO L132 encePairwiseOnDemand]: 134/153 looper letters, 1116 selfloop transitions, 107 changer transitions 2/1233 dead transitions. [2021-03-26 17:52:25,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 883 places, 1233 transitions, 37784 flow [2021-03-26 17:52:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:52:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:52:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 559 transitions. [2021-03-26 17:52:25,138 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21491733948481354 [2021-03-26 17:52:25,138 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 559 transitions. [2021-03-26 17:52:25,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 559 transitions. [2021-03-26 17:52:25,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:25,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 559 transitions. [2021-03-26 17:52:25,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.88235294117647) internal successors, (559), 17 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:25,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 153.0) internal successors, (2754), 18 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:25,140 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 153.0) internal successors, (2754), 18 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:25,140 INFO L185 Difference]: Start difference. First operand has 867 places, 1208 transitions, 34281 flow. Second operand 17 states and 559 transitions. [2021-03-26 17:52:25,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 883 places, 1233 transitions, 37784 flow [2021-03-26 17:52:27,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 864 places, 1233 transitions, 37527 flow, removed 53 selfloop flow, removed 19 redundant places. [2021-03-26 17:52:27,445 INFO L241 Difference]: Finished difference. Result has 867 places, 1211 transitions, 34414 flow [2021-03-26 17:52:27,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=34056, PETRI_DIFFERENCE_MINUEND_PLACES=848, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=34414, PETRI_PLACES=867, PETRI_TRANSITIONS=1211} [2021-03-26 17:52:27,446 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 828 predicate places. [2021-03-26 17:52:27,446 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:27,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 867 places, 1211 transitions, 34414 flow [2021-03-26 17:52:27,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 867 places, 1211 transitions, 34414 flow [2021-03-26 17:52:27,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 866 places, 1211 transitions, 34414 flow [2021-03-26 17:52:28,013 INFO L129 PetriNetUnfolder]: 942/2078 cut-off events. [2021-03-26 17:52:28,013 INFO L130 PetriNetUnfolder]: For 306448/306860 co-relation queries the response was YES. [2021-03-26 17:52:28,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38512 conditions, 2078 events. 942/2078 cut-off events. For 306448/306860 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 16523 event pairs, 44 based on Foata normal form. 29/2070 useless extension candidates. Maximal degree in co-relation 38174. Up to 569 conditions per place. [2021-03-26 17:52:28,089 INFO L142 LiptonReduction]: Number of co-enabled transitions 920 [2021-03-26 17:52:28,502 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:28,503 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:52:28,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1057 [2021-03-26 17:52:28,503 INFO L480 AbstractCegarLoop]: Abstraction has has 865 places, 1210 transitions, 34408 flow [2021-03-26 17:52:28,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:28,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:28,503 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] [2021-03-26 17:52:28,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-03-26 17:52:28,503 INFO L428 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:28,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:28,503 INFO L82 PathProgramCache]: Analyzing trace with hash 385756416, now seen corresponding path program 8 times [2021-03-26 17:52:28,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:28,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763014779] [2021-03-26 17:52:28,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:28,509 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:28,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:28,514 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:28,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:28,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:28,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:28,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:28,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:28,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:28,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:28,549 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:52:28,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:52:28,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:28,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:28,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:28,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:28,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:28,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:52:28,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:28,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:28,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:28,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:28,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763014779] [2021-03-26 17:52:28,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:28,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:52:28,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628143385] [2021-03-26 17:52:28,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:52:28,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:28,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:52:28,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:52:28,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 154 [2021-03-26 17:52:28,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 865 places, 1210 transitions, 34408 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:28,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:28,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 154 [2021-03-26 17:52:28,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:30,429 INFO L129 PetriNetUnfolder]: 1190/2450 cut-off events. [2021-03-26 17:52:30,429 INFO L130 PetriNetUnfolder]: For 357043/357064 co-relation queries the response was YES. [2021-03-26 17:52:30,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48282 conditions, 2450 events. 1190/2450 cut-off events. For 357043/357064 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 18513 event pairs, 168 based on Foata normal form. 14/2463 useless extension candidates. Maximal degree in co-relation 47936. Up to 2219 conditions per place. [2021-03-26 17:52:30,496 INFO L132 encePairwiseOnDemand]: 137/154 looper letters, 1153 selfloop transitions, 67 changer transitions 3/1231 dead transitions. [2021-03-26 17:52:30,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 878 places, 1231 transitions, 37561 flow [2021-03-26 17:52:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:52:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:52:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 460 transitions. [2021-03-26 17:52:30,497 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21335807050092764 [2021-03-26 17:52:30,497 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 460 transitions. [2021-03-26 17:52:30,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 460 transitions. [2021-03-26 17:52:30,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:30,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 460 transitions. [2021-03-26 17:52:30,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.857142857142854) internal successors, (460), 14 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:30,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 154.0) internal successors, (2310), 15 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:30,499 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 154.0) internal successors, (2310), 15 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:30,499 INFO L185 Difference]: Start difference. First operand has 865 places, 1210 transitions, 34408 flow. Second operand 14 states and 460 transitions. [2021-03-26 17:52:30,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 878 places, 1231 transitions, 37561 flow [2021-03-26 17:52:32,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 861 places, 1231 transitions, 37194 flow, removed 61 selfloop flow, removed 17 redundant places. [2021-03-26 17:52:32,609 INFO L241 Difference]: Finished difference. Result has 866 places, 1215 transitions, 34423 flow [2021-03-26 17:52:32,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=34044, PETRI_DIFFERENCE_MINUEND_PLACES=848, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=34423, PETRI_PLACES=866, PETRI_TRANSITIONS=1215} [2021-03-26 17:52:32,609 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 827 predicate places. [2021-03-26 17:52:32,609 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:32,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 866 places, 1215 transitions, 34423 flow [2021-03-26 17:52:32,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 866 places, 1215 transitions, 34423 flow [2021-03-26 17:52:32,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 865 places, 1215 transitions, 34423 flow [2021-03-26 17:52:33,178 INFO L129 PetriNetUnfolder]: 949/2092 cut-off events. [2021-03-26 17:52:33,178 INFO L130 PetriNetUnfolder]: For 322183/322587 co-relation queries the response was YES. [2021-03-26 17:52:33,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38975 conditions, 2092 events. 949/2092 cut-off events. For 322183/322587 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 16632 event pairs, 49 based on Foata normal form. 31/2081 useless extension candidates. Maximal degree in co-relation 38633. Up to 576 conditions per place. [2021-03-26 17:52:33,252 INFO L142 LiptonReduction]: Number of co-enabled transitions 922 [2021-03-26 17:52:33,591 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:33,592 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:52:33,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 983 [2021-03-26 17:52:33,592 INFO L480 AbstractCegarLoop]: Abstraction has has 864 places, 1214 transitions, 34415 flow [2021-03-26 17:52:33,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:33,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:33,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:52:33,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-03-26 17:52:33,592 INFO L428 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:33,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:33,592 INFO L82 PathProgramCache]: Analyzing trace with hash 920846330, now seen corresponding path program 1 times [2021-03-26 17:52:33,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:33,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028161871] [2021-03-26 17:52:33,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:33,608 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:33,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:33,614 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:33,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:33,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:33,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:33,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:33,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:33,641 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:52:33,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:52:33,661 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:52:33,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:52:33,683 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:52:33,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:52:33,706 INFO L142 QuantifierPusher]: treesize reduction 52, result has 38.1 percent of original size [2021-03-26 17:52:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:52:33,731 INFO L142 QuantifierPusher]: treesize reduction 22, result has 46.3 percent of original size [2021-03-26 17:52:33,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:52:33,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:33,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:33,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028161871] [2021-03-26 17:52:33,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:33,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:52:33,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831362459] [2021-03-26 17:52:33,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:52:33,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:33,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:52:33,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:52:33,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 155 [2021-03-26 17:52:33,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 864 places, 1214 transitions, 34415 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:33,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:33,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 155 [2021-03-26 17:52:33,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:35,791 INFO L129 PetriNetUnfolder]: 1194/2450 cut-off events. [2021-03-26 17:52:35,791 INFO L130 PetriNetUnfolder]: For 365717/365738 co-relation queries the response was YES. [2021-03-26 17:52:35,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48478 conditions, 2450 events. 1194/2450 cut-off events. For 365717/365738 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 18466 event pairs, 137 based on Foata normal form. 18/2467 useless extension candidates. Maximal degree in co-relation 48133. Up to 1878 conditions per place. [2021-03-26 17:52:35,861 INFO L132 encePairwiseOnDemand]: 118/155 looper letters, 817 selfloop transitions, 416 changer transitions 2/1243 dead transitions. [2021-03-26 17:52:35,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 885 places, 1243 transitions, 38446 flow [2021-03-26 17:52:35,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 17:52:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 17:52:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 723 transitions. [2021-03-26 17:52:35,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2120234604105572 [2021-03-26 17:52:35,862 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 723 transitions. [2021-03-26 17:52:35,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 723 transitions. [2021-03-26 17:52:35,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:35,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 723 transitions. [2021-03-26 17:52:35,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 32.86363636363637) internal successors, (723), 22 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) [2021-03-26 17:52:35,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 155.0) internal successors, (3565), 23 states have internal predecessors, (3565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:35,864 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 155.0) internal successors, (3565), 23 states have internal predecessors, (3565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:35,864 INFO L185 Difference]: Start difference. First operand has 864 places, 1214 transitions, 34415 flow. Second operand 22 states and 723 transitions. [2021-03-26 17:52:35,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 885 places, 1243 transitions, 38446 flow [2021-03-26 17:52:38,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 875 places, 1243 transitions, 38176 flow, removed 81 selfloop flow, removed 10 redundant places. [2021-03-26 17:52:38,091 INFO L241 Difference]: Finished difference. Result has 876 places, 1216 transitions, 35236 flow [2021-03-26 17:52:38,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=34151, PETRI_DIFFERENCE_MINUEND_PLACES=854, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=412, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=802, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=35236, PETRI_PLACES=876, PETRI_TRANSITIONS=1216} [2021-03-26 17:52:38,091 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 837 predicate places. [2021-03-26 17:52:38,091 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:38,091 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 1216 transitions, 35236 flow [2021-03-26 17:52:38,091 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 1216 transitions, 35236 flow [2021-03-26 17:52:38,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 873 places, 1216 transitions, 35236 flow [2021-03-26 17:52:38,739 INFO L129 PetriNetUnfolder]: 947/2088 cut-off events. [2021-03-26 17:52:38,739 INFO L130 PetriNetUnfolder]: For 314641/315006 co-relation queries the response was YES. [2021-03-26 17:52:38,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39405 conditions, 2088 events. 947/2088 cut-off events. For 314641/315006 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 16535 event pairs, 44 based on Foata normal form. 36/2089 useless extension candidates. Maximal degree in co-relation 39053. Up to 570 conditions per place. [2021-03-26 17:52:38,807 INFO L142 LiptonReduction]: Number of co-enabled transitions 920 [2021-03-26 17:52:38,952 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:38,952 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:52:38,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 861 [2021-03-26 17:52:38,953 INFO L480 AbstractCegarLoop]: Abstraction has has 873 places, 1216 transitions, 35236 flow [2021-03-26 17:52:38,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:38,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:38,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:52:38,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-26 17:52:38,953 INFO L428 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:38,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:38,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2022236278, now seen corresponding path program 1 times [2021-03-26 17:52:38,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:38,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432610126] [2021-03-26 17:52:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:38,959 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:38,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:38,963 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:38,998 INFO L142 QuantifierPusher]: treesize reduction 27, result has 47.1 percent of original size [2021-03-26 17:52:38,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:52:39,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:39,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:39,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:52:39,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:39,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:39,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432610126] [2021-03-26 17:52:39,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:39,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:52:39,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475214442] [2021-03-26 17:52:39,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:52:39,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:39,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:52:39,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:52:39,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 155 [2021-03-26 17:52:39,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 1216 transitions, 35236 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:39,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:39,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 155 [2021-03-26 17:52:39,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:40,804 INFO L129 PetriNetUnfolder]: 1204/2466 cut-off events. [2021-03-26 17:52:40,804 INFO L130 PetriNetUnfolder]: For 385847/385868 co-relation queries the response was YES. [2021-03-26 17:52:40,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49875 conditions, 2466 events. 1204/2466 cut-off events. For 385847/385868 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 18648 event pairs, 140 based on Foata normal form. 18/2483 useless extension candidates. Maximal degree in co-relation 49522. Up to 2039 conditions per place. [2021-03-26 17:52:40,870 INFO L132 encePairwiseOnDemand]: 122/155 looper letters, 935 selfloop transitions, 295 changer transitions 5/1243 dead transitions. [2021-03-26 17:52:40,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 887 places, 1243 transitions, 39109 flow [2021-03-26 17:52:40,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:52:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:52:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 513 transitions. [2021-03-26 17:52:40,871 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.22064516129032258 [2021-03-26 17:52:40,871 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 513 transitions. [2021-03-26 17:52:40,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 513 transitions. [2021-03-26 17:52:40,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:40,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 513 transitions. [2021-03-26 17:52:40,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.2) internal successors, (513), 15 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:40,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 155.0) internal successors, (2480), 16 states have internal predecessors, (2480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:40,873 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 155.0) internal successors, (2480), 16 states have internal predecessors, (2480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:40,873 INFO L185 Difference]: Start difference. First operand has 873 places, 1216 transitions, 35236 flow. Second operand 15 states and 513 transitions. [2021-03-26 17:52:40,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 887 places, 1243 transitions, 39109 flow [2021-03-26 17:52:43,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 868 places, 1243 transitions, 38101 flow, removed 19 selfloop flow, removed 19 redundant places. [2021-03-26 17:52:43,368 INFO L241 Difference]: Finished difference. Result has 872 places, 1221 transitions, 35575 flow [2021-03-26 17:52:43,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=34228, PETRI_DIFFERENCE_MINUEND_PLACES=854, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=923, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35575, PETRI_PLACES=872, PETRI_TRANSITIONS=1221} [2021-03-26 17:52:43,369 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 833 predicate places. [2021-03-26 17:52:43,369 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:43,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 872 places, 1221 transitions, 35575 flow [2021-03-26 17:52:43,369 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 872 places, 1221 transitions, 35575 flow [2021-03-26 17:52:43,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 869 places, 1221 transitions, 35575 flow [2021-03-26 17:52:43,946 INFO L129 PetriNetUnfolder]: 949/2092 cut-off events. [2021-03-26 17:52:43,946 INFO L130 PetriNetUnfolder]: For 335073/335513 co-relation queries the response was YES. [2021-03-26 17:52:43,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39813 conditions, 2092 events. 949/2092 cut-off events. For 335073/335513 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 16704 event pairs, 56 based on Foata normal form. 34/2084 useless extension candidates. Maximal degree in co-relation 39458. Up to 582 conditions per place. [2021-03-26 17:52:44,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 926 [2021-03-26 17:52:44,187 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:44,187 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:52:44,187 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 818 [2021-03-26 17:52:44,187 INFO L480 AbstractCegarLoop]: Abstraction has has 869 places, 1221 transitions, 35575 flow [2021-03-26 17:52:44,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:44,188 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:44,188 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] [2021-03-26 17:52:44,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-26 17:52:44,188 INFO L428 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:44,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:44,188 INFO L82 PathProgramCache]: Analyzing trace with hash -487984264, now seen corresponding path program 9 times [2021-03-26 17:52:44,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:44,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118394479] [2021-03-26 17:52:44,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:44,196 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:44,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:44,201 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:44,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:44,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:44,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:44,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:44,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:44,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:44,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:44,236 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:52:44,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:52:44,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:44,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:44,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:44,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:44,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:44,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:52:44,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:44,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:44,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:44,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:44,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118394479] [2021-03-26 17:52:44,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:44,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:52:44,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875311176] [2021-03-26 17:52:44,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:52:44,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:44,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:52:44,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:52:44,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 155 [2021-03-26 17:52:44,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 869 places, 1221 transitions, 35575 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:44,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:44,291 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 155 [2021-03-26 17:52:44,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:45,964 INFO L129 PetriNetUnfolder]: 1203/2466 cut-off events. [2021-03-26 17:52:45,965 INFO L130 PetriNetUnfolder]: For 393345/393366 co-relation queries the response was YES. [2021-03-26 17:52:46,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49991 conditions, 2466 events. 1203/2466 cut-off events. For 393345/393366 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18580 event pairs, 165 based on Foata normal form. 14/2479 useless extension candidates. Maximal degree in co-relation 49635. Up to 2239 conditions per place. [2021-03-26 17:52:46,031 INFO L132 encePairwiseOnDemand]: 138/155 looper letters, 1154 selfloop transitions, 72 changer transitions 6/1240 dead transitions. [2021-03-26 17:52:46,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 884 places, 1240 transitions, 38803 flow [2021-03-26 17:52:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:52:46,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:52:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 517 transitions. [2021-03-26 17:52:46,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20846774193548387 [2021-03-26 17:52:46,033 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 517 transitions. [2021-03-26 17:52:46,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 517 transitions. [2021-03-26 17:52:46,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:46,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 517 transitions. [2021-03-26 17:52:46,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.3125) internal successors, (517), 16 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) [2021-03-26 17:52:46,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 155.0) internal successors, (2635), 17 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:46,034 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 155.0) internal successors, (2635), 17 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:46,034 INFO L185 Difference]: Start difference. First operand has 869 places, 1221 transitions, 35575 flow. Second operand 16 states and 517 transitions. [2021-03-26 17:52:46,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 884 places, 1240 transitions, 38803 flow [2021-03-26 17:52:48,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 874 places, 1240 transitions, 38077 flow, removed 135 selfloop flow, removed 10 redundant places. [2021-03-26 17:52:48,367 INFO L241 Difference]: Finished difference. Result has 878 places, 1223 transitions, 35240 flow [2021-03-26 17:52:48,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=34849, PETRI_DIFFERENCE_MINUEND_PLACES=859, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35240, PETRI_PLACES=878, PETRI_TRANSITIONS=1223} [2021-03-26 17:52:48,367 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 839 predicate places. [2021-03-26 17:52:48,367 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:48,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 878 places, 1223 transitions, 35240 flow [2021-03-26 17:52:48,367 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 878 places, 1223 transitions, 35240 flow [2021-03-26 17:52:48,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 1223 transitions, 35240 flow [2021-03-26 17:52:48,961 INFO L129 PetriNetUnfolder]: 952/2095 cut-off events. [2021-03-26 17:52:48,961 INFO L130 PetriNetUnfolder]: For 345957/346351 co-relation queries the response was YES. [2021-03-26 17:52:49,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40201 conditions, 2095 events. 952/2095 cut-off events. For 345957/346351 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 16668 event pairs, 48 based on Foata normal form. 14/2071 useless extension candidates. Maximal degree in co-relation 39858. Up to 583 conditions per place. [2021-03-26 17:52:49,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-26 17:52:49,462 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:49,462 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:52:49,462 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1095 [2021-03-26 17:52:49,462 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 1223 transitions, 35256 flow [2021-03-26 17:52:49,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:49,462 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:49,462 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:52:49,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-26 17:52:49,463 INFO L428 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:49,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:49,463 INFO L82 PathProgramCache]: Analyzing trace with hash 620522330, now seen corresponding path program 10 times [2021-03-26 17:52:49,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:49,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612920580] [2021-03-26 17:52:49,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:49,468 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:49,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:49,473 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:49,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:49,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:49,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:49,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:49,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:49,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:49,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:49,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:49,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:49,519 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:52:49,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:52:49,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:49,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:52:49,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:49,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:52:49,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:49,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:49,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:49,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:49,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612920580] [2021-03-26 17:52:49,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:49,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:52:49,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287157831] [2021-03-26 17:52:49,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:52:49,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:49,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:52:49,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:52:49,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 156 [2021-03-26 17:52:49,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 1223 transitions, 35256 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:49,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:49,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 156 [2021-03-26 17:52:49,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:51,360 INFO L129 PetriNetUnfolder]: 1201/2461 cut-off events. [2021-03-26 17:52:51,360 INFO L130 PetriNetUnfolder]: For 404030/404051 co-relation queries the response was YES. [2021-03-26 17:52:51,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49976 conditions, 2461 events. 1201/2461 cut-off events. For 404030/404051 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18594 event pairs, 168 based on Foata normal form. 14/2474 useless extension candidates. Maximal degree in co-relation 49629. Up to 2252 conditions per place. [2021-03-26 17:52:51,423 INFO L132 encePairwiseOnDemand]: 139/156 looper letters, 1167 selfloop transitions, 55 changer transitions 3/1233 dead transitions. [2021-03-26 17:52:51,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 1233 transitions, 37991 flow [2021-03-26 17:52:51,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:52:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:52:51,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 456 transitions. [2021-03-26 17:52:51,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2087912087912088 [2021-03-26 17:52:51,424 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 456 transitions. [2021-03-26 17:52:51,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 456 transitions. [2021-03-26 17:52:51,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:51,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 456 transitions. [2021-03-26 17:52:51,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.57142857142857) internal successors, (456), 14 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:51,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 156.0) internal successors, (2340), 15 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:51,425 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 156.0) internal successors, (2340), 15 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:51,425 INFO L185 Difference]: Start difference. First operand has 876 places, 1223 transitions, 35256 flow. Second operand 14 states and 456 transitions. [2021-03-26 17:52:51,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 1233 transitions, 37991 flow [2021-03-26 17:52:53,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 878 places, 1233 transitions, 37577 flow, removed 150 selfloop flow, removed 11 redundant places. [2021-03-26 17:52:53,919 INFO L241 Difference]: Finished difference. Result has 880 places, 1222 transitions, 34964 flow [2021-03-26 17:52:53,919 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=34848, PETRI_DIFFERENCE_MINUEND_PLACES=865, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=34964, PETRI_PLACES=880, PETRI_TRANSITIONS=1222} [2021-03-26 17:52:53,919 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 841 predicate places. [2021-03-26 17:52:53,919 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:53,919 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 880 places, 1222 transitions, 34964 flow [2021-03-26 17:52:53,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 880 places, 1222 transitions, 34964 flow [2021-03-26 17:52:53,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 879 places, 1222 transitions, 34964 flow [2021-03-26 17:52:54,517 INFO L129 PetriNetUnfolder]: 958/2101 cut-off events. [2021-03-26 17:52:54,518 INFO L130 PetriNetUnfolder]: For 348844/349394 co-relation queries the response was YES. [2021-03-26 17:52:54,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40092 conditions, 2101 events. 958/2101 cut-off events. For 348844/349394 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 16618 event pairs, 46 based on Foata normal form. 21/2076 useless extension candidates. Maximal degree in co-relation 39750. Up to 587 conditions per place. [2021-03-26 17:52:54,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-26 17:52:54,752 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:52:54,752 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:52:54,753 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 834 [2021-03-26 17:52:54,753 INFO L480 AbstractCegarLoop]: Abstraction has has 879 places, 1222 transitions, 34964 flow [2021-03-26 17:52:54,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:54,753 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:52:54,753 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:52:54,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-26 17:52:54,753 INFO L428 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:52:54,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:52:54,753 INFO L82 PathProgramCache]: Analyzing trace with hash -878886444, now seen corresponding path program 1 times [2021-03-26 17:52:54,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:52:54,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548072498] [2021-03-26 17:52:54,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:52:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:52:54,759 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:52:54,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:54,763 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:52:54,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:52:54,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:54,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:52:54,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:54,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:52:54,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:54,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:52:54,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:54,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:52:54,808 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-26 17:52:54,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:52:54,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:54,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:52:54,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:54,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:54,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:52:54,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:52:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:52:54,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548072498] [2021-03-26 17:52:54,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:52:54,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:52:54,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124348603] [2021-03-26 17:52:54,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:52:54,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:52:54,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:52:54,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:52:54,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 156 [2021-03-26 17:52:54,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 879 places, 1222 transitions, 34964 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:54,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:52:54,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 156 [2021-03-26 17:52:54,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:52:56,704 INFO L129 PetriNetUnfolder]: 1200/2458 cut-off events. [2021-03-26 17:52:56,704 INFO L130 PetriNetUnfolder]: For 392228/392249 co-relation queries the response was YES. [2021-03-26 17:52:56,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49730 conditions, 2458 events. 1200/2458 cut-off events. For 392228/392249 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18567 event pairs, 148 based on Foata normal form. 14/2471 useless extension candidates. Maximal degree in co-relation 49384. Up to 2234 conditions per place. [2021-03-26 17:52:56,764 INFO L132 encePairwiseOnDemand]: 138/156 looper letters, 1155 selfloop transitions, 70 changer transitions 2/1235 dead transitions. [2021-03-26 17:52:56,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 894 places, 1235 transitions, 37741 flow [2021-03-26 17:52:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:52:56,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:52:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 516 transitions. [2021-03-26 17:52:56,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20673076923076922 [2021-03-26 17:52:56,766 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 516 transitions. [2021-03-26 17:52:56,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 516 transitions. [2021-03-26 17:52:56,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:52:56,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 516 transitions. [2021-03-26 17:52:56,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.25) internal successors, (516), 16 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:56,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 156.0) internal successors, (2652), 17 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:56,767 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 156.0) internal successors, (2652), 17 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:52:56,767 INFO L185 Difference]: Start difference. First operand has 879 places, 1222 transitions, 34964 flow. Second operand 16 states and 516 transitions. [2021-03-26 17:52:56,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 894 places, 1235 transitions, 37741 flow [2021-03-26 17:52:59,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 881 places, 1235 transitions, 37613 flow, removed 9 selfloop flow, removed 13 redundant places. [2021-03-26 17:52:59,027 INFO L241 Difference]: Finished difference. Result has 883 places, 1222 transitions, 34983 flow [2021-03-26 17:52:59,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=34836, PETRI_DIFFERENCE_MINUEND_PLACES=866, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=34983, PETRI_PLACES=883, PETRI_TRANSITIONS=1222} [2021-03-26 17:52:59,028 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 844 predicate places. [2021-03-26 17:52:59,028 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:52:59,028 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 883 places, 1222 transitions, 34983 flow [2021-03-26 17:52:59,028 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 883 places, 1222 transitions, 34983 flow [2021-03-26 17:52:59,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 881 places, 1222 transitions, 34983 flow [2021-03-26 17:52:59,613 INFO L129 PetriNetUnfolder]: 953/2097 cut-off events. [2021-03-26 17:52:59,613 INFO L130 PetriNetUnfolder]: For 347126/347701 co-relation queries the response was YES. [2021-03-26 17:52:59,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40050 conditions, 2097 events. 953/2097 cut-off events. For 347126/347701 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 16611 event pairs, 40 based on Foata normal form. 56/2123 useless extension candidates. Maximal degree in co-relation 39707. Up to 583 conditions per place. [2021-03-26 17:52:59,691 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-26 17:53:00,102 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:00,102 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:53:00,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1074 [2021-03-26 17:53:00,103 INFO L480 AbstractCegarLoop]: Abstraction has has 881 places, 1222 transitions, 34986 flow [2021-03-26 17:53:00,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:00,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:00,103 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:53:00,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-03-26 17:53:00,103 INFO L428 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:00,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:00,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1734193098, now seen corresponding path program 2 times [2021-03-26 17:53:00,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:00,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705258674] [2021-03-26 17:53:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:00,109 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:00,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:00,114 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:00,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:00,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:00,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:00,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:00,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:00,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:00,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:00,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:53:00,159 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-26 17:53:00,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:53:00,201 INFO L142 QuantifierPusher]: treesize reduction 23, result has 53.1 percent of original size [2021-03-26 17:53:00,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:53:00,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:00,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:00,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:00,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:00,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:00,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705258674] [2021-03-26 17:53:00,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:00,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:53:00,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218240743] [2021-03-26 17:53:00,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:53:00,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:00,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:53:00,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:53:00,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 17:53:00,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 881 places, 1222 transitions, 34986 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:00,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:00,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 17:53:00,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:02,022 INFO L129 PetriNetUnfolder]: 1199/2453 cut-off events. [2021-03-26 17:53:02,022 INFO L130 PetriNetUnfolder]: For 399202/399223 co-relation queries the response was YES. [2021-03-26 17:53:02,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49878 conditions, 2453 events. 1199/2453 cut-off events. For 399202/399223 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 18470 event pairs, 170 based on Foata normal form. 14/2466 useless extension candidates. Maximal degree in co-relation 49531. Up to 2237 conditions per place. [2021-03-26 17:53:02,092 INFO L132 encePairwiseOnDemand]: 140/157 looper letters, 1160 selfloop transitions, 62 changer transitions 5/1235 dead transitions. [2021-03-26 17:53:02,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 893 places, 1235 transitions, 37700 flow [2021-03-26 17:53:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:53:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:53:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 430 transitions. [2021-03-26 17:53:02,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21068103870651642 [2021-03-26 17:53:02,093 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 430 transitions. [2021-03-26 17:53:02,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 430 transitions. [2021-03-26 17:53:02,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:02,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 430 transitions. [2021-03-26 17:53:02,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 33.07692307692308) internal successors, (430), 13 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:02,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 157.0) internal successors, (2198), 14 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:02,094 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 157.0) internal successors, (2198), 14 states have internal predecessors, (2198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:02,094 INFO L185 Difference]: Start difference. First operand has 881 places, 1222 transitions, 34986 flow. Second operand 13 states and 430 transitions. [2021-03-26 17:53:02,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 893 places, 1235 transitions, 37700 flow [2021-03-26 17:53:04,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 879 places, 1235 transitions, 37536 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-03-26 17:53:04,561 INFO L241 Difference]: Finished difference. Result has 882 places, 1219 transitions, 34924 flow [2021-03-26 17:53:04,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=34830, PETRI_DIFFERENCE_MINUEND_PLACES=867, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=34924, PETRI_PLACES=882, PETRI_TRANSITIONS=1219} [2021-03-26 17:53:04,561 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 843 predicate places. [2021-03-26 17:53:04,561 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:04,561 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 882 places, 1219 transitions, 34924 flow [2021-03-26 17:53:04,561 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 882 places, 1219 transitions, 34924 flow [2021-03-26 17:53:04,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 877 places, 1219 transitions, 34924 flow [2021-03-26 17:53:05,137 INFO L129 PetriNetUnfolder]: 955/2091 cut-off events. [2021-03-26 17:53:05,137 INFO L130 PetriNetUnfolder]: For 344760/345327 co-relation queries the response was YES. [2021-03-26 17:53:05,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39994 conditions, 2091 events. 955/2091 cut-off events. For 344760/345327 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 16592 event pairs, 39 based on Foata normal form. 54/2113 useless extension candidates. Maximal degree in co-relation 39651. Up to 581 conditions per place. [2021-03-26 17:53:05,215 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-26 17:53:05,380 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:05,381 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:53:05,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 820 [2021-03-26 17:53:05,381 INFO L480 AbstractCegarLoop]: Abstraction has has 877 places, 1219 transitions, 34924 flow [2021-03-26 17:53:05,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:05,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:05,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:53:05,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-03-26 17:53:05,381 INFO L428 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:05,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:05,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1984006648, now seen corresponding path program 1 times [2021-03-26 17:53:05,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:05,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564960705] [2021-03-26 17:53:05,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:05,390 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:05,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:05,395 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:05,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:05,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:05,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:05,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:05,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:05,437 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:53:05,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:53:05,456 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:53:05,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:53:05,478 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:53:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:05,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:05,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:53:05,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:05,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:05,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564960705] [2021-03-26 17:53:05,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:05,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:53:05,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772797164] [2021-03-26 17:53:05,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:53:05,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:05,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:53:05,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:53:05,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 17:53:05,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 877 places, 1219 transitions, 34924 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:05,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:05,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 17:53:05,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:07,188 INFO L129 PetriNetUnfolder]: 1198/2450 cut-off events. [2021-03-26 17:53:07,188 INFO L130 PetriNetUnfolder]: For 397154/397175 co-relation queries the response was YES. [2021-03-26 17:53:07,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49878 conditions, 2450 events. 1198/2450 cut-off events. For 397154/397175 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18462 event pairs, 144 based on Foata normal form. 18/2467 useless extension candidates. Maximal degree in co-relation 49533. Up to 2209 conditions per place. [2021-03-26 17:53:07,256 INFO L132 encePairwiseOnDemand]: 141/157 looper letters, 1148 selfloop transitions, 75 changer transitions 2/1233 dead transitions. [2021-03-26 17:53:07,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 888 places, 1233 transitions, 37733 flow [2021-03-26 17:53:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:53:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:53:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 412 transitions. [2021-03-26 17:53:07,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21868365180467092 [2021-03-26 17:53:07,258 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 412 transitions. [2021-03-26 17:53:07,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 412 transitions. [2021-03-26 17:53:07,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:07,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 412 transitions. [2021-03-26 17:53:07,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 34.333333333333336) internal successors, (412), 12 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:07,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 157.0) internal successors, (2041), 13 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:07,259 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 157.0) internal successors, (2041), 13 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:07,259 INFO L185 Difference]: Start difference. First operand has 877 places, 1219 transitions, 34924 flow. Second operand 12 states and 412 transitions. [2021-03-26 17:53:07,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 888 places, 1233 transitions, 37733 flow [2021-03-26 17:53:09,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 874 places, 1233 transitions, 37574 flow, removed 12 selfloop flow, removed 14 redundant places. [2021-03-26 17:53:09,776 INFO L241 Difference]: Finished difference. Result has 876 places, 1218 transitions, 34932 flow [2021-03-26 17:53:09,777 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=34777, PETRI_DIFFERENCE_MINUEND_PLACES=863, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34932, PETRI_PLACES=876, PETRI_TRANSITIONS=1218} [2021-03-26 17:53:09,777 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 837 predicate places. [2021-03-26 17:53:09,777 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:09,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 1218 transitions, 34932 flow [2021-03-26 17:53:09,777 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 1218 transitions, 34932 flow [2021-03-26 17:53:09,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 1218 transitions, 34932 flow [2021-03-26 17:53:10,349 INFO L129 PetriNetUnfolder]: 950/2088 cut-off events. [2021-03-26 17:53:10,349 INFO L130 PetriNetUnfolder]: For 334477/335057 co-relation queries the response was YES. [2021-03-26 17:53:10,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39744 conditions, 2088 events. 950/2088 cut-off events. For 334477/335057 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 16573 event pairs, 37 based on Foata normal form. 31/2080 useless extension candidates. Maximal degree in co-relation 39387. Up to 581 conditions per place. [2021-03-26 17:53:10,424 INFO L142 LiptonReduction]: Number of co-enabled transitions 922 [2021-03-26 17:53:10,586 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:10,586 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:53:10,586 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 809 [2021-03-26 17:53:10,586 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 1218 transitions, 34932 flow [2021-03-26 17:53:10,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:10,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:10,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:53:10,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-03-26 17:53:10,586 INFO L428 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:10,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:10,586 INFO L82 PathProgramCache]: Analyzing trace with hash -265662942, now seen corresponding path program 2 times [2021-03-26 17:53:10,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:10,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67990322] [2021-03-26 17:53:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:10,600 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:10,605 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:10,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:10,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:10,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:10,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:10,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:10,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:10,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:10,645 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:53:10,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:53:10,659 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:53:10,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:53:10,676 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:53:10,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:10,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:10,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:53:10,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:10,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:10,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67990322] [2021-03-26 17:53:10,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:10,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:53:10,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860157184] [2021-03-26 17:53:10,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:53:10,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:10,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:53:10,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:53:10,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 17:53:10,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 1218 transitions, 34932 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:10,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:10,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 17:53:10,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:12,477 INFO L129 PetriNetUnfolder]: 1207/2472 cut-off events. [2021-03-26 17:53:12,477 INFO L130 PetriNetUnfolder]: For 385010/385014 co-relation queries the response was YES. [2021-03-26 17:53:12,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49941 conditions, 2472 events. 1207/2472 cut-off events. For 385010/385014 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18671 event pairs, 167 based on Foata normal form. 5/2476 useless extension candidates. Maximal degree in co-relation 49583. Up to 2103 conditions per place. [2021-03-26 17:53:12,545 INFO L132 encePairwiseOnDemand]: 127/157 looper letters, 990 selfloop transitions, 242 changer transitions 4/1244 dead transitions. [2021-03-26 17:53:12,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 891 places, 1244 transitions, 38562 flow [2021-03-26 17:53:12,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:53:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:53:12,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 538 transitions. [2021-03-26 17:53:12,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.214171974522293 [2021-03-26 17:53:12,546 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 538 transitions. [2021-03-26 17:53:12,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 538 transitions. [2021-03-26 17:53:12,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:12,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 538 transitions. [2021-03-26 17:53:12,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.625) internal successors, (538), 16 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:12,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 157.0) internal successors, (2669), 17 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:12,549 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 157.0) internal successors, (2669), 17 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:12,549 INFO L185 Difference]: Start difference. First operand has 876 places, 1218 transitions, 34932 flow. Second operand 16 states and 538 transitions. [2021-03-26 17:53:12,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 891 places, 1244 transitions, 38562 flow [2021-03-26 17:53:14,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 878 places, 1244 transitions, 38391 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 17:53:14,944 INFO L241 Difference]: Finished difference. Result has 882 places, 1225 transitions, 35924 flow [2021-03-26 17:53:14,944 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=34763, PETRI_DIFFERENCE_MINUEND_PLACES=863, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35924, PETRI_PLACES=882, PETRI_TRANSITIONS=1225} [2021-03-26 17:53:14,944 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 843 predicate places. [2021-03-26 17:53:14,944 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:14,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 882 places, 1225 transitions, 35924 flow [2021-03-26 17:53:14,944 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 882 places, 1225 transitions, 35924 flow [2021-03-26 17:53:14,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 879 places, 1225 transitions, 35924 flow [2021-03-26 17:53:15,581 INFO L129 PetriNetUnfolder]: 956/2103 cut-off events. [2021-03-26 17:53:15,581 INFO L130 PetriNetUnfolder]: For 347362/347984 co-relation queries the response was YES. [2021-03-26 17:53:15,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40551 conditions, 2103 events. 956/2103 cut-off events. For 347362/347984 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 16700 event pairs, 48 based on Foata normal form. 33/2095 useless extension candidates. Maximal degree in co-relation 40192. Up to 590 conditions per place. [2021-03-26 17:53:15,654 INFO L142 LiptonReduction]: Number of co-enabled transitions 928 [2021-03-26 17:53:15,800 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:15,800 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:53:15,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 856 [2021-03-26 17:53:15,801 INFO L480 AbstractCegarLoop]: Abstraction has has 879 places, 1225 transitions, 35924 flow [2021-03-26 17:53:15,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:15,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:15,801 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] [2021-03-26 17:53:15,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-03-26 17:53:15,801 INFO L428 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:15,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:15,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1580246672, now seen corresponding path program 2 times [2021-03-26 17:53:15,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:15,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768656562] [2021-03-26 17:53:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:15,808 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:15,812 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:15,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:15,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:15,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:15,838 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:53:15,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:53:15,858 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:53:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:53:15,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:15,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:15,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:15,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:15,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:15,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:53:15,932 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:53:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:53:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:15,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768656562] [2021-03-26 17:53:15,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:15,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:53:15,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883932491] [2021-03-26 17:53:15,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:53:15,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:15,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:53:15,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:53:15,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 17:53:15,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 879 places, 1225 transitions, 35924 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:15,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:15,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 17:53:15,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:17,994 INFO L129 PetriNetUnfolder]: 1220/2495 cut-off events. [2021-03-26 17:53:17,994 INFO L130 PetriNetUnfolder]: For 389563/389584 co-relation queries the response was YES. [2021-03-26 17:53:18,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50523 conditions, 2495 events. 1220/2495 cut-off events. For 389563/389584 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 18780 event pairs, 174 based on Foata normal form. 14/2508 useless extension candidates. Maximal degree in co-relation 50163. Up to 2045 conditions per place. [2021-03-26 17:53:18,065 INFO L132 encePairwiseOnDemand]: 132/157 looper letters, 981 selfloop transitions, 287 changer transitions 7/1283 dead transitions. [2021-03-26 17:53:18,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 900 places, 1283 transitions, 40006 flow [2021-03-26 17:53:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-26 17:53:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-26 17:53:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 712 transitions. [2021-03-26 17:53:18,067 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20613781123335265 [2021-03-26 17:53:18,067 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 712 transitions. [2021-03-26 17:53:18,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 712 transitions. [2021-03-26 17:53:18,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:18,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 712 transitions. [2021-03-26 17:53:18,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 32.36363636363637) internal successors, (712), 22 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:18,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 157.0) internal successors, (3611), 23 states have internal predecessors, (3611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:18,069 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 157.0) internal successors, (3611), 23 states have internal predecessors, (3611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:18,069 INFO L185 Difference]: Start difference. First operand has 879 places, 1225 transitions, 35924 flow. Second operand 22 states and 712 transitions. [2021-03-26 17:53:18,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 900 places, 1283 transitions, 40006 flow [2021-03-26 17:53:20,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 890 places, 1283 transitions, 39361 flow, removed 135 selfloop flow, removed 10 redundant places. [2021-03-26 17:53:20,504 INFO L241 Difference]: Finished difference. Result has 893 places, 1240 transitions, 36220 flow [2021-03-26 17:53:20,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=35280, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=954, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=36220, PETRI_PLACES=893, PETRI_TRANSITIONS=1240} [2021-03-26 17:53:20,504 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 854 predicate places. [2021-03-26 17:53:20,504 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:20,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 893 places, 1240 transitions, 36220 flow [2021-03-26 17:53:20,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 893 places, 1240 transitions, 36220 flow [2021-03-26 17:53:20,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 891 places, 1240 transitions, 36220 flow [2021-03-26 17:53:21,100 INFO L129 PetriNetUnfolder]: 973/2130 cut-off events. [2021-03-26 17:53:21,101 INFO L130 PetriNetUnfolder]: For 347240/347663 co-relation queries the response was YES. [2021-03-26 17:53:21,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41033 conditions, 2130 events. 973/2130 cut-off events. For 347240/347663 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 16836 event pairs, 57 based on Foata normal form. 21/2108 useless extension candidates. Maximal degree in co-relation 40687. Up to 589 conditions per place. [2021-03-26 17:53:21,180 INFO L142 LiptonReduction]: Number of co-enabled transitions 936 [2021-03-26 17:53:21,459 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:21,459 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:53:21,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 955 [2021-03-26 17:53:21,460 INFO L480 AbstractCegarLoop]: Abstraction has has 891 places, 1240 transitions, 36220 flow [2021-03-26 17:53:21,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:21,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:21,460 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] [2021-03-26 17:53:21,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-26 17:53:21,460 INFO L428 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:21,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:21,460 INFO L82 PathProgramCache]: Analyzing trace with hash 2041030739, now seen corresponding path program 2 times [2021-03-26 17:53:21,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:21,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994646687] [2021-03-26 17:53:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:21,466 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:21,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:21,471 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:21,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:21,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:21,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:21,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:21,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:21,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:21,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:21,508 INFO L142 QuantifierPusher]: treesize reduction 21, result has 48.8 percent of original size [2021-03-26 17:53:21,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 17:53:21,511 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:53:21,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:53:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:21,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:53:21,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:21,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:53:21,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:21,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:21,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:21,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:21,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994646687] [2021-03-26 17:53:21,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:21,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:53:21,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669870719] [2021-03-26 17:53:21,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:53:21,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:21,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:53:21,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:53:21,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 17:53:21,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 891 places, 1240 transitions, 36220 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:21,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:21,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 17:53:21,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:23,241 INFO L129 PetriNetUnfolder]: 1219/2496 cut-off events. [2021-03-26 17:53:23,241 INFO L130 PetriNetUnfolder]: For 404902/404923 co-relation queries the response was YES. [2021-03-26 17:53:23,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50896 conditions, 2496 events. 1219/2496 cut-off events. For 404902/404923 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 18891 event pairs, 165 based on Foata normal form. 18/2513 useless extension candidates. Maximal degree in co-relation 50546. Up to 2166 conditions per place. [2021-03-26 17:53:23,310 INFO L132 encePairwiseOnDemand]: 127/157 looper letters, 1039 selfloop transitions, 205 changer transitions 2/1254 dead transitions. [2021-03-26 17:53:23,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 904 places, 1254 transitions, 38983 flow [2021-03-26 17:53:23,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:53:23,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:53:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 474 transitions. [2021-03-26 17:53:23,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2156505914467698 [2021-03-26 17:53:23,312 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 474 transitions. [2021-03-26 17:53:23,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 474 transitions. [2021-03-26 17:53:23,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:23,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 474 transitions. [2021-03-26 17:53:23,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.857142857142854) internal successors, (474), 14 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:23,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 157.0) internal successors, (2355), 15 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:23,313 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 157.0) internal successors, (2355), 15 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:23,313 INFO L185 Difference]: Start difference. First operand has 891 places, 1240 transitions, 36220 flow. Second operand 14 states and 474 transitions. [2021-03-26 17:53:23,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 904 places, 1254 transitions, 38983 flow [2021-03-26 17:53:25,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 890 places, 1254 transitions, 38337 flow, removed 130 selfloop flow, removed 14 redundant places. [2021-03-26 17:53:26,015 INFO L241 Difference]: Finished difference. Result has 894 places, 1244 transitions, 36079 flow [2021-03-26 17:53:26,015 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=35578, PETRI_DIFFERENCE_MINUEND_PLACES=877, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=201, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1035, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=36079, PETRI_PLACES=894, PETRI_TRANSITIONS=1244} [2021-03-26 17:53:26,015 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 855 predicate places. [2021-03-26 17:53:26,015 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:26,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 894 places, 1244 transitions, 36079 flow [2021-03-26 17:53:26,016 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 894 places, 1244 transitions, 36079 flow [2021-03-26 17:53:26,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 893 places, 1244 transitions, 36079 flow [2021-03-26 17:53:26,622 INFO L129 PetriNetUnfolder]: 968/2133 cut-off events. [2021-03-26 17:53:26,622 INFO L130 PetriNetUnfolder]: For 340926/341374 co-relation queries the response was YES. [2021-03-26 17:53:26,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40665 conditions, 2133 events. 968/2133 cut-off events. For 340926/341374 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 17067 event pairs, 40 based on Foata normal form. 33/2125 useless extension candidates. Maximal degree in co-relation 40317. Up to 589 conditions per place. [2021-03-26 17:53:26,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 936 [2021-03-26 17:53:26,876 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:26,876 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:53:26,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 861 [2021-03-26 17:53:26,877 INFO L480 AbstractCegarLoop]: Abstraction has has 893 places, 1244 transitions, 36079 flow [2021-03-26 17:53:26,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:26,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:26,877 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] [2021-03-26 17:53:26,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-26 17:53:26,877 INFO L428 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:26,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:26,877 INFO L82 PathProgramCache]: Analyzing trace with hash -152099162, now seen corresponding path program 11 times [2021-03-26 17:53:26,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:26,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702676564] [2021-03-26 17:53:26,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:26,883 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:26,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:26,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:26,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:26,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:26,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:26,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:26,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:26,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:26,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:26,922 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:53:26,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:53:26,937 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:53:26,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:53:26,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:26,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:53:26,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:26,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:53:26,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:26,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:26,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702676564] [2021-03-26 17:53:26,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:26,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:53:26,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919143168] [2021-03-26 17:53:26,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:53:26,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:26,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:53:26,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:53:26,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 157 [2021-03-26 17:53:26,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 893 places, 1244 transitions, 36079 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:26,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:26,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 157 [2021-03-26 17:53:26,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:28,798 INFO L129 PetriNetUnfolder]: 1217/2500 cut-off events. [2021-03-26 17:53:28,798 INFO L130 PetriNetUnfolder]: For 400741/400755 co-relation queries the response was YES. [2021-03-26 17:53:28,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50728 conditions, 2500 events. 1217/2500 cut-off events. For 400741/400755 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 18931 event pairs, 159 based on Foata normal form. 10/2508 useless extension candidates. Maximal degree in co-relation 50373. Up to 2271 conditions per place. [2021-03-26 17:53:28,871 INFO L132 encePairwiseOnDemand]: 140/157 looper letters, 1179 selfloop transitions, 66 changer transitions 6/1259 dead transitions. [2021-03-26 17:53:28,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 910 places, 1259 transitions, 38953 flow [2021-03-26 17:53:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:53:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:53:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 567 transitions. [2021-03-26 17:53:28,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20063694267515925 [2021-03-26 17:53:28,873 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 567 transitions. [2021-03-26 17:53:28,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 567 transitions. [2021-03-26 17:53:28,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:28,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 567 transitions. [2021-03-26 17:53:28,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 31.5) internal successors, (567), 18 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:28,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 157.0) internal successors, (2983), 19 states have internal predecessors, (2983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:28,874 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 157.0) internal successors, (2983), 19 states have internal predecessors, (2983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:28,874 INFO L185 Difference]: Start difference. First operand has 893 places, 1244 transitions, 36079 flow. Second operand 18 states and 567 transitions. [2021-03-26 17:53:28,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 910 places, 1259 transitions, 38953 flow [2021-03-26 17:53:31,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 899 places, 1259 transitions, 38539 flow, removed 15 selfloop flow, removed 11 redundant places. [2021-03-26 17:53:31,529 INFO L241 Difference]: Finished difference. Result has 901 places, 1242 transitions, 35821 flow [2021-03-26 17:53:31,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=35667, PETRI_DIFFERENCE_MINUEND_PLACES=882, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=35821, PETRI_PLACES=901, PETRI_TRANSITIONS=1242} [2021-03-26 17:53:31,529 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 862 predicate places. [2021-03-26 17:53:31,529 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:31,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 901 places, 1242 transitions, 35821 flow [2021-03-26 17:53:31,529 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 901 places, 1242 transitions, 35821 flow [2021-03-26 17:53:31,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 897 places, 1242 transitions, 35821 flow [2021-03-26 17:53:32,135 INFO L129 PetriNetUnfolder]: 971/2139 cut-off events. [2021-03-26 17:53:32,135 INFO L130 PetriNetUnfolder]: For 355297/355779 co-relation queries the response was YES. [2021-03-26 17:53:32,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40947 conditions, 2139 events. 971/2139 cut-off events. For 355297/355779 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 17023 event pairs, 43 based on Foata normal form. 33/2131 useless extension candidates. Maximal degree in co-relation 40597. Up to 594 conditions per place. [2021-03-26 17:53:32,216 INFO L142 LiptonReduction]: Number of co-enabled transitions 938 [2021-03-26 17:53:32,654 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:32,654 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:53:32,654 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1125 [2021-03-26 17:53:32,655 INFO L480 AbstractCegarLoop]: Abstraction has has 897 places, 1242 transitions, 35874 flow [2021-03-26 17:53:32,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:32,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:32,655 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] [2021-03-26 17:53:32,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-26 17:53:32,655 INFO L428 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:32,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:32,655 INFO L82 PathProgramCache]: Analyzing trace with hash -2001272177, now seen corresponding path program 9 times [2021-03-26 17:53:32,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:32,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578398088] [2021-03-26 17:53:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:32,661 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:32,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:32,666 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:32,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:32,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:32,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:32,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:32,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:32,691 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:53:32,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:53:32,716 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:53:32,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:53:32,742 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:53:32,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:53:32,770 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:53:32,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:53:32,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:32,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:53:32,826 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:53:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:53:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:32,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578398088] [2021-03-26 17:53:32,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:32,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:53:32,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574364997] [2021-03-26 17:53:32,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:53:32,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:32,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:53:32,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:53:32,829 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 158 [2021-03-26 17:53:32,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 897 places, 1242 transitions, 35874 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:32,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:32,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 158 [2021-03-26 17:53:32,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:34,891 INFO L129 PetriNetUnfolder]: 1218/2506 cut-off events. [2021-03-26 17:53:34,891 INFO L130 PetriNetUnfolder]: For 406999/407020 co-relation queries the response was YES. [2021-03-26 17:53:34,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50892 conditions, 2506 events. 1218/2506 cut-off events. For 406999/407020 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 18993 event pairs, 143 based on Foata normal form. 14/2518 useless extension candidates. Maximal degree in co-relation 50537. Up to 2227 conditions per place. [2021-03-26 17:53:34,958 INFO L132 encePairwiseOnDemand]: 138/158 looper letters, 1146 selfloop transitions, 116 changer transitions 2/1272 dead transitions. [2021-03-26 17:53:34,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 913 places, 1272 transitions, 39688 flow [2021-03-26 17:53:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:53:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:53:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 566 transitions. [2021-03-26 17:53:34,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21072226358897989 [2021-03-26 17:53:34,960 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 566 transitions. [2021-03-26 17:53:34,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 566 transitions. [2021-03-26 17:53:34,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:34,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 566 transitions. [2021-03-26 17:53:34,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 33.294117647058826) internal successors, (566), 17 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:34,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 158.0) internal successors, (2844), 18 states have internal predecessors, (2844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:34,961 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 158.0) internal successors, (2844), 18 states have internal predecessors, (2844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:34,961 INFO L185 Difference]: Start difference. First operand has 897 places, 1242 transitions, 35874 flow. Second operand 17 states and 566 transitions. [2021-03-26 17:53:34,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 913 places, 1272 transitions, 39688 flow [2021-03-26 17:53:37,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 896 places, 1272 transitions, 39377 flow, removed 73 selfloop flow, removed 17 redundant places. [2021-03-26 17:53:37,600 INFO L241 Difference]: Finished difference. Result has 899 places, 1250 transitions, 36098 flow [2021-03-26 17:53:37,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=35581, PETRI_DIFFERENCE_MINUEND_PLACES=880, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=36098, PETRI_PLACES=899, PETRI_TRANSITIONS=1250} [2021-03-26 17:53:37,601 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 860 predicate places. [2021-03-26 17:53:37,601 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:37,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 899 places, 1250 transitions, 36098 flow [2021-03-26 17:53:37,601 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 899 places, 1250 transitions, 36098 flow [2021-03-26 17:53:37,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 899 places, 1250 transitions, 36098 flow [2021-03-26 17:53:38,218 INFO L129 PetriNetUnfolder]: 973/2152 cut-off events. [2021-03-26 17:53:38,218 INFO L130 PetriNetUnfolder]: For 354737/355369 co-relation queries the response was YES. [2021-03-26 17:53:38,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41111 conditions, 2152 events. 973/2152 cut-off events. For 354737/355369 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17134 event pairs, 42 based on Foata normal form. 61/2185 useless extension candidates. Maximal degree in co-relation 40746. Up to 592 conditions per place. [2021-03-26 17:53:38,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:53:38,740 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:38,740 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:53:38,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1140 [2021-03-26 17:53:38,741 INFO L480 AbstractCegarLoop]: Abstraction has has 899 places, 1250 transitions, 36171 flow [2021-03-26 17:53:38,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:38,741 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:38,741 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:53:38,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-03-26 17:53:38,741 INFO L428 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:38,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:38,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1986178871, now seen corresponding path program 1 times [2021-03-26 17:53:38,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:38,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148814012] [2021-03-26 17:53:38,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:38,768 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:38,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:38,773 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:38,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:38,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:38,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:38,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:38,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:38,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:38,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:38,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:38,837 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:53:38,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:38,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:38,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:53:38,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:38,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:53:38,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:38,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:38,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148814012] [2021-03-26 17:53:38,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:38,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:53:38,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415369713] [2021-03-26 17:53:38,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:53:38,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:38,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:53:38,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:53:38,889 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-26 17:53:38,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 899 places, 1250 transitions, 36171 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:38,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:38,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-26 17:53:38,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:41,029 INFO L129 PetriNetUnfolder]: 1216/2507 cut-off events. [2021-03-26 17:53:41,029 INFO L130 PetriNetUnfolder]: For 408168/408189 co-relation queries the response was YES. [2021-03-26 17:53:41,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50855 conditions, 2507 events. 1216/2507 cut-off events. For 408168/408189 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 19009 event pairs, 155 based on Foata normal form. 18/2524 useless extension candidates. Maximal degree in co-relation 50489. Up to 2124 conditions per place. [2021-03-26 17:53:41,094 INFO L132 encePairwiseOnDemand]: 126/159 looper letters, 993 selfloop transitions, 256 changer transitions 4/1261 dead transitions. [2021-03-26 17:53:41,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 915 places, 1261 transitions, 38984 flow [2021-03-26 17:53:41,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:53:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:53:41,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 557 transitions. [2021-03-26 17:53:41,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20606733259341473 [2021-03-26 17:53:41,096 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 557 transitions. [2021-03-26 17:53:41,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 557 transitions. [2021-03-26 17:53:41,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:41,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 557 transitions. [2021-03-26 17:53:41,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.76470588235294) internal successors, (557), 17 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:41,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 159.0) internal successors, (2862), 18 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:41,097 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 159.0) internal successors, (2862), 18 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:41,097 INFO L185 Difference]: Start difference. First operand has 899 places, 1250 transitions, 36171 flow. Second operand 17 states and 557 transitions. [2021-03-26 17:53:41,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 915 places, 1261 transitions, 38984 flow [2021-03-26 17:53:43,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 1261 transitions, 38539 flow, removed 148 selfloop flow, removed 12 redundant places. [2021-03-26 17:53:43,726 INFO L241 Difference]: Finished difference. Result has 906 places, 1248 transitions, 36154 flow [2021-03-26 17:53:43,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=35732, PETRI_DIFFERENCE_MINUEND_PLACES=887, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=994, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=36154, PETRI_PLACES=906, PETRI_TRANSITIONS=1248} [2021-03-26 17:53:43,726 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 867 predicate places. [2021-03-26 17:53:43,726 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:43,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 906 places, 1248 transitions, 36154 flow [2021-03-26 17:53:43,726 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 906 places, 1248 transitions, 36154 flow [2021-03-26 17:53:43,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 901 places, 1248 transitions, 36154 flow [2021-03-26 17:53:44,328 INFO L129 PetriNetUnfolder]: 966/2142 cut-off events. [2021-03-26 17:53:44,328 INFO L130 PetriNetUnfolder]: For 336444/336816 co-relation queries the response was YES. [2021-03-26 17:53:44,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40873 conditions, 2142 events. 966/2142 cut-off events. For 336444/336816 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 17145 event pairs, 41 based on Foata normal form. 23/2129 useless extension candidates. Maximal degree in co-relation 40517. Up to 588 conditions per place. [2021-03-26 17:53:44,406 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:53:44,575 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:44,575 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:53:44,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 849 [2021-03-26 17:53:44,575 INFO L480 AbstractCegarLoop]: Abstraction has has 901 places, 1248 transitions, 36154 flow [2021-03-26 17:53:44,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:44,576 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:44,576 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] [2021-03-26 17:53:44,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-03-26 17:53:44,576 INFO L428 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:44,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1904030027, now seen corresponding path program 4 times [2021-03-26 17:53:44,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:44,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941539945] [2021-03-26 17:53:44,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:44,584 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:44,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:44,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:44,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:44,617 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:53:44,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:53:44,638 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:53:44,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:53:44,640 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:53:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:53:44,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:44,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:44,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:44,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:44,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:44,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:53:44,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:53:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:53:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:44,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941539945] [2021-03-26 17:53:44,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:44,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:53:44,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994954709] [2021-03-26 17:53:44,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:53:44,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:44,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:53:44,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:53:44,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-26 17:53:44,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 901 places, 1248 transitions, 36154 flow. Second operand has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:44,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:44,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-26 17:53:44,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:46,555 INFO L129 PetriNetUnfolder]: 1215/2501 cut-off events. [2021-03-26 17:53:46,555 INFO L130 PetriNetUnfolder]: For 400738/400766 co-relation queries the response was YES. [2021-03-26 17:53:46,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50638 conditions, 2501 events. 1215/2501 cut-off events. For 400738/400766 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 18893 event pairs, 173 based on Foata normal form. 21/2521 useless extension candidates. Maximal degree in co-relation 50275. Up to 2193 conditions per place. [2021-03-26 17:53:46,617 INFO L132 encePairwiseOnDemand]: 135/159 looper letters, 1070 selfloop transitions, 181 changer transitions 2/1261 dead transitions. [2021-03-26 17:53:46,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 913 places, 1261 transitions, 39026 flow [2021-03-26 17:53:46,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:53:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:53:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 444 transitions. [2021-03-26 17:53:46,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21480406386066764 [2021-03-26 17:53:46,618 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 444 transitions. [2021-03-26 17:53:46,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 444 transitions. [2021-03-26 17:53:46,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:46,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 444 transitions. [2021-03-26 17:53:46,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 34.15384615384615) internal successors, (444), 13 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:46,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:46,619 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:46,619 INFO L185 Difference]: Start difference. First operand has 901 places, 1248 transitions, 36154 flow. Second operand 13 states and 444 transitions. [2021-03-26 17:53:46,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 913 places, 1261 transitions, 39026 flow [2021-03-26 17:53:49,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 898 places, 1261 transitions, 38496 flow, removed 9 selfloop flow, removed 15 redundant places. [2021-03-26 17:53:49,116 INFO L241 Difference]: Finished difference. Result has 900 places, 1248 transitions, 36001 flow [2021-03-26 17:53:49,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=35624, PETRI_DIFFERENCE_MINUEND_PLACES=886, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1067, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=36001, PETRI_PLACES=900, PETRI_TRANSITIONS=1248} [2021-03-26 17:53:49,116 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 861 predicate places. [2021-03-26 17:53:49,116 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:49,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 900 places, 1248 transitions, 36001 flow [2021-03-26 17:53:49,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 900 places, 1248 transitions, 36001 flow [2021-03-26 17:53:49,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 899 places, 1248 transitions, 36001 flow [2021-03-26 17:53:49,728 INFO L129 PetriNetUnfolder]: 976/2152 cut-off events. [2021-03-26 17:53:49,728 INFO L130 PetriNetUnfolder]: For 345455/346071 co-relation queries the response was YES. [2021-03-26 17:53:49,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41201 conditions, 2152 events. 976/2152 cut-off events. For 345455/346071 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17101 event pairs, 48 based on Foata normal form. 54/2171 useless extension candidates. Maximal degree in co-relation 40844. Up to 595 conditions per place. [2021-03-26 17:53:49,808 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:53:49,981 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:49,981 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:53:49,981 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 865 [2021-03-26 17:53:49,982 INFO L480 AbstractCegarLoop]: Abstraction has has 899 places, 1248 transitions, 36001 flow [2021-03-26 17:53:49,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.2) internal successors, (272), 10 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:49,982 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:49,982 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] [2021-03-26 17:53:49,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-03-26 17:53:49,982 INFO L428 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:49,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:49,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1683121041, now seen corresponding path program 4 times [2021-03-26 17:53:49,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:49,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984491249] [2021-03-26 17:53:49,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:49,988 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:49,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:49,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:49,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:49,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:49,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:50,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:50,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:50,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:50,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:50,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:50,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:50,041 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:53:50,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:53:50,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:50,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:53:50,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:50,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:50,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:50,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:53:50,090 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:53:50,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:53:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:50,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984491249] [2021-03-26 17:53:50,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:50,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:53:50,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622535114] [2021-03-26 17:53:50,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:53:50,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:50,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:53:50,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:53:50,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-26 17:53:50,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 899 places, 1248 transitions, 36001 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:50,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:50,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-26 17:53:50,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:52,001 INFO L129 PetriNetUnfolder]: 1214/2505 cut-off events. [2021-03-26 17:53:52,001 INFO L130 PetriNetUnfolder]: For 404215/404236 co-relation queries the response was YES. [2021-03-26 17:53:52,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50701 conditions, 2505 events. 1214/2505 cut-off events. For 404215/404236 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 19061 event pairs, 127 based on Foata normal form. 18/2522 useless extension candidates. Maximal degree in co-relation 50339. Up to 2021 conditions per place. [2021-03-26 17:53:52,071 INFO L132 encePairwiseOnDemand]: 124/159 looper letters, 900 selfloop transitions, 349 changer transitions 2/1259 dead transitions. [2021-03-26 17:53:52,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 913 places, 1259 transitions, 38889 flow [2021-03-26 17:53:52,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:53:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:53:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 513 transitions. [2021-03-26 17:53:52,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21509433962264152 [2021-03-26 17:53:52,072 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 513 transitions. [2021-03-26 17:53:52,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 513 transitions. [2021-03-26 17:53:52,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:52,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 513 transitions. [2021-03-26 17:53:52,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 34.2) internal successors, (513), 15 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:52,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:52,074 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:52,074 INFO L185 Difference]: Start difference. First operand has 899 places, 1248 transitions, 36001 flow. Second operand 15 states and 513 transitions. [2021-03-26 17:53:52,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 913 places, 1259 transitions, 38889 flow [2021-03-26 17:53:54,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 1259 transitions, 38410 flow, removed 67 selfloop flow, removed 10 redundant places. [2021-03-26 17:53:54,823 INFO L241 Difference]: Finished difference. Result has 905 places, 1248 transitions, 36300 flow [2021-03-26 17:53:54,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=35522, PETRI_DIFFERENCE_MINUEND_PLACES=889, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=349, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=899, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=36300, PETRI_PLACES=905, PETRI_TRANSITIONS=1248} [2021-03-26 17:53:54,823 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 866 predicate places. [2021-03-26 17:53:54,823 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:53:54,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 905 places, 1248 transitions, 36300 flow [2021-03-26 17:53:54,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 905 places, 1248 transitions, 36300 flow [2021-03-26 17:53:54,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 1248 transitions, 36300 flow [2021-03-26 17:53:55,422 INFO L129 PetriNetUnfolder]: 966/2139 cut-off events. [2021-03-26 17:53:55,422 INFO L130 PetriNetUnfolder]: For 344412/345071 co-relation queries the response was YES. [2021-03-26 17:53:55,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40921 conditions, 2139 events. 966/2139 cut-off events. For 344412/345071 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 16998 event pairs, 42 based on Foata normal form. 67/2174 useless extension candidates. Maximal degree in co-relation 40563. Up to 584 conditions per place. [2021-03-26 17:53:55,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:53:55,675 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:53:55,675 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:53:55,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 852 [2021-03-26 17:53:55,675 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 1248 transitions, 36300 flow [2021-03-26 17:53:55,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:55,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:53:55,676 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] [2021-03-26 17:53:55,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-26 17:53:55,676 INFO L428 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:53:55,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:53:55,676 INFO L82 PathProgramCache]: Analyzing trace with hash -491127173, now seen corresponding path program 10 times [2021-03-26 17:53:55,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:53:55,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619867855] [2021-03-26 17:53:55,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:53:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:53:55,682 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:53:55,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:53:55,687 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:53:55,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:53:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:55,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:55,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:55,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:53:55,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:55,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:53:55,723 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:53:55,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:53:55,750 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:53:55,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:53:55,777 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:53:55,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:53:55,807 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:53:55,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:53:55,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:53:55,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:53:55,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:53:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:53:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:53:55,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619867855] [2021-03-26 17:53:55,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:53:55,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:53:55,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524267025] [2021-03-26 17:53:55,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:53:55,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:53:55,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:53:55,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:53:55,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 159 [2021-03-26 17:53:55,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 1248 transitions, 36300 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:55,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:53:55,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 159 [2021-03-26 17:53:55,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:53:57,734 INFO L129 PetriNetUnfolder]: 1214/2512 cut-off events. [2021-03-26 17:53:57,735 INFO L130 PetriNetUnfolder]: For 412013/412034 co-relation queries the response was YES. [2021-03-26 17:53:57,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51145 conditions, 2512 events. 1214/2512 cut-off events. For 412013/412034 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19067 event pairs, 161 based on Foata normal form. 14/2525 useless extension candidates. Maximal degree in co-relation 50778. Up to 2284 conditions per place. [2021-03-26 17:53:57,806 INFO L132 encePairwiseOnDemand]: 144/159 looper letters, 1205 selfloop transitions, 53 changer transitions 2/1268 dead transitions. [2021-03-26 17:53:57,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 918 places, 1268 transitions, 39310 flow [2021-03-26 17:53:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:53:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:53:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 482 transitions. [2021-03-26 17:53:57,807 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2020964360587002 [2021-03-26 17:53:57,808 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 482 transitions. [2021-03-26 17:53:57,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 482 transitions. [2021-03-26 17:53:57,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:53:57,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 482 transitions. [2021-03-26 17:53:57,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.13333333333333) internal successors, (482), 15 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:57,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:57,809 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:53:57,809 INFO L185 Difference]: Start difference. First operand has 904 places, 1248 transitions, 36300 flow. Second operand 15 states and 482 transitions. [2021-03-26 17:53:57,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 918 places, 1268 transitions, 39310 flow [2021-03-26 17:54:00,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 1268 transitions, 38516 flow, removed 10 selfloop flow, removed 15 redundant places. [2021-03-26 17:54:00,416 INFO L241 Difference]: Finished difference. Result has 908 places, 1255 transitions, 35898 flow [2021-03-26 17:54:00,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=35520, PETRI_DIFFERENCE_MINUEND_PLACES=889, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35898, PETRI_PLACES=908, PETRI_TRANSITIONS=1255} [2021-03-26 17:54:00,417 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 869 predicate places. [2021-03-26 17:54:00,417 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:00,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 908 places, 1255 transitions, 35898 flow [2021-03-26 17:54:00,417 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 908 places, 1255 transitions, 35898 flow [2021-03-26 17:54:00,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 907 places, 1255 transitions, 35898 flow [2021-03-26 17:54:01,019 INFO L129 PetriNetUnfolder]: 968/2151 cut-off events. [2021-03-26 17:54:01,019 INFO L130 PetriNetUnfolder]: For 344659/345068 co-relation queries the response was YES. [2021-03-26 17:54:01,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40636 conditions, 2151 events. 968/2151 cut-off events. For 344659/345068 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17219 event pairs, 47 based on Foata normal form. 33/2143 useless extension candidates. Maximal degree in co-relation 40272. Up to 585 conditions per place. [2021-03-26 17:54:01,099 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-26 17:54:01,564 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:01,564 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:54:01,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1147 [2021-03-26 17:54:01,565 INFO L480 AbstractCegarLoop]: Abstraction has has 906 places, 1254 transitions, 35902 flow [2021-03-26 17:54:01,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:01,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:01,565 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] [2021-03-26 17:54:01,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-26 17:54:01,565 INFO L428 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:01,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:01,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1364867853, now seen corresponding path program 11 times [2021-03-26 17:54:01,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:01,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859831721] [2021-03-26 17:54:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:01,584 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:01,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:01,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:01,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:01,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:01,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:01,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:01,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:01,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:01,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:01,628 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:01,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:01,654 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:01,682 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:01,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:01,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:01,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:01,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:01,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:01,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859831721] [2021-03-26 17:54:01,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:01,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:54:01,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503767337] [2021-03-26 17:54:01,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:54:01,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:01,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:54:01,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:54:01,743 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 161 [2021-03-26 17:54:01,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 906 places, 1254 transitions, 35902 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:01,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:01,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 161 [2021-03-26 17:54:01,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:03,655 INFO L129 PetriNetUnfolder]: 1213/2511 cut-off events. [2021-03-26 17:54:03,655 INFO L130 PetriNetUnfolder]: For 406228/406258 co-relation queries the response was YES. [2021-03-26 17:54:03,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50571 conditions, 2511 events. 1213/2511 cut-off events. For 406228/406258 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 19165 event pairs, 166 based on Foata normal form. 19/2529 useless extension candidates. Maximal degree in co-relation 50201. Up to 2285 conditions per place. [2021-03-26 17:54:03,726 INFO L132 encePairwiseOnDemand]: 144/161 looper letters, 1204 selfloop transitions, 51 changer transitions 3/1266 dead transitions. [2021-03-26 17:54:03,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 1266 transitions, 38720 flow [2021-03-26 17:54:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:54:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:54:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 453 transitions. [2021-03-26 17:54:03,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20097604259094942 [2021-03-26 17:54:03,727 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 453 transitions. [2021-03-26 17:54:03,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 453 transitions. [2021-03-26 17:54:03,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:03,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 453 transitions. [2021-03-26 17:54:03,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.357142857142854) internal successors, (453), 14 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:03,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 161.0) internal successors, (2415), 15 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:03,728 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 161.0) internal successors, (2415), 15 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:03,728 INFO L185 Difference]: Start difference. First operand has 906 places, 1254 transitions, 35902 flow. Second operand 14 states and 453 transitions. [2021-03-26 17:54:03,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 1266 transitions, 38720 flow [2021-03-26 17:54:06,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 907 places, 1266 transitions, 38347 flow, removed 85 selfloop flow, removed 12 redundant places. [2021-03-26 17:54:06,586 INFO L241 Difference]: Finished difference. Result has 910 places, 1253 transitions, 35628 flow [2021-03-26 17:54:06,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=35531, PETRI_DIFFERENCE_MINUEND_PLACES=894, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35628, PETRI_PLACES=910, PETRI_TRANSITIONS=1253} [2021-03-26 17:54:06,586 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 871 predicate places. [2021-03-26 17:54:06,586 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:06,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 910 places, 1253 transitions, 35628 flow [2021-03-26 17:54:06,587 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 910 places, 1253 transitions, 35628 flow [2021-03-26 17:54:06,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 907 places, 1253 transitions, 35628 flow [2021-03-26 17:54:07,198 INFO L129 PetriNetUnfolder]: 973/2160 cut-off events. [2021-03-26 17:54:07,198 INFO L130 PetriNetUnfolder]: For 348536/349114 co-relation queries the response was YES. [2021-03-26 17:54:07,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40772 conditions, 2160 events. 973/2160 cut-off events. For 348536/349114 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 17258 event pairs, 43 based on Foata normal form. 58/2186 useless extension candidates. Maximal degree in co-relation 40409. Up to 586 conditions per place. [2021-03-26 17:54:07,280 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-26 17:54:07,456 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:07,456 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:54:07,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 870 [2021-03-26 17:54:07,456 INFO L480 AbstractCegarLoop]: Abstraction has has 907 places, 1253 transitions, 35628 flow [2021-03-26 17:54:07,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:07,456 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:07,456 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:54:07,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-26 17:54:07,456 INFO L428 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:07,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:07,457 INFO L82 PathProgramCache]: Analyzing trace with hash -604826059, now seen corresponding path program 1 times [2021-03-26 17:54:07,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:07,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080611871] [2021-03-26 17:54:07,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:07,462 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:07,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:07,467 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:07,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:07,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:07,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:07,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:07,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:07,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:07,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:07,505 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:07,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:07,531 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:07,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:07,559 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:07,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:07,589 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 17:54:07,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:54:07,620 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:07,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:07,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080611871] [2021-03-26 17:54:07,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:07,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:54:07,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770604250] [2021-03-26 17:54:07,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:54:07,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:07,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:54:07,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:54:07,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 161 [2021-03-26 17:54:07,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 907 places, 1253 transitions, 35628 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:07,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:07,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 161 [2021-03-26 17:54:07,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:09,497 INFO L129 PetriNetUnfolder]: 1213/2503 cut-off events. [2021-03-26 17:54:09,498 INFO L130 PetriNetUnfolder]: For 412705/412735 co-relation queries the response was YES. [2021-03-26 17:54:09,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50476 conditions, 2503 events. 1213/2503 cut-off events. For 412705/412735 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 19049 event pairs, 156 based on Foata normal form. 23/2525 useless extension candidates. Maximal degree in co-relation 50111. Up to 2227 conditions per place. [2021-03-26 17:54:09,570 INFO L132 encePairwiseOnDemand]: 139/161 looper letters, 1141 selfloop transitions, 111 changer transitions 4/1264 dead transitions. [2021-03-26 17:54:09,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 1264 transitions, 38505 flow [2021-03-26 17:54:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:54:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:54:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2021-03-26 17:54:09,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2062111801242236 [2021-03-26 17:54:09,571 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 498 transitions. [2021-03-26 17:54:09,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 498 transitions. [2021-03-26 17:54:09,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:09,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 498 transitions. [2021-03-26 17:54:09,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.2) internal successors, (498), 15 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:09,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:09,573 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:09,573 INFO L185 Difference]: Start difference. First operand has 907 places, 1253 transitions, 35628 flow. Second operand 15 states and 498 transitions. [2021-03-26 17:54:09,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 1264 transitions, 38505 flow [2021-03-26 17:54:12,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 908 places, 1264 transitions, 38389 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-03-26 17:54:12,326 INFO L241 Difference]: Finished difference. Result has 909 places, 1249 transitions, 35682 flow [2021-03-26 17:54:12,326 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=35520, PETRI_DIFFERENCE_MINUEND_PLACES=894, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35682, PETRI_PLACES=909, PETRI_TRANSITIONS=1249} [2021-03-26 17:54:12,326 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 870 predicate places. [2021-03-26 17:54:12,326 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:12,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 909 places, 1249 transitions, 35682 flow [2021-03-26 17:54:12,326 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 909 places, 1249 transitions, 35682 flow [2021-03-26 17:54:12,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 1249 transitions, 35682 flow [2021-03-26 17:54:12,927 INFO L129 PetriNetUnfolder]: 967/2144 cut-off events. [2021-03-26 17:54:12,927 INFO L130 PetriNetUnfolder]: For 347187/347598 co-relation queries the response was YES. [2021-03-26 17:54:12,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40669 conditions, 2144 events. 967/2144 cut-off events. For 347187/347598 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 17116 event pairs, 40 based on Foata normal form. 33/2141 useless extension candidates. Maximal degree in co-relation 40301. Up to 590 conditions per place. [2021-03-26 17:54:13,006 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:54:13,440 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:13,440 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:54:13,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1114 [2021-03-26 17:54:13,440 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 1249 transitions, 35716 flow [2021-03-26 17:54:13,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:13,440 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:13,440 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] [2021-03-26 17:54:13,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-26 17:54:13,440 INFO L428 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:13,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:13,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1580342911, now seen corresponding path program 12 times [2021-03-26 17:54:13,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:13,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731689973] [2021-03-26 17:54:13,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:13,447 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:13,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:13,451 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:13,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:13,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:13,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:13,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:13,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:13,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:13,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:13,488 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:13,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:13,514 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:13,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:13,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:13,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:13,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:13,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:13,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:13,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:13,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:13,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:13,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731689973] [2021-03-26 17:54:13,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:13,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:54:13,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744403049] [2021-03-26 17:54:13,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:54:13,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:13,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:54:13,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:54:13,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 162 [2021-03-26 17:54:13,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 1249 transitions, 35716 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:13,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:13,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 162 [2021-03-26 17:54:13,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:15,510 INFO L129 PetriNetUnfolder]: 1212/2501 cut-off events. [2021-03-26 17:54:15,510 INFO L130 PetriNetUnfolder]: For 405026/405047 co-relation queries the response was YES. [2021-03-26 17:54:15,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50391 conditions, 2501 events. 1212/2501 cut-off events. For 405026/405047 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 18958 event pairs, 162 based on Foata normal form. 14/2514 useless extension candidates. Maximal degree in co-relation 50022. Up to 2275 conditions per place. [2021-03-26 17:54:15,582 INFO L132 encePairwiseOnDemand]: 146/162 looper letters, 1208 selfloop transitions, 49 changer transitions 3/1268 dead transitions. [2021-03-26 17:54:15,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 917 places, 1268 transitions, 38802 flow [2021-03-26 17:54:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:54:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:54:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 457 transitions. [2021-03-26 17:54:15,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20149911816578484 [2021-03-26 17:54:15,583 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 457 transitions. [2021-03-26 17:54:15,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 457 transitions. [2021-03-26 17:54:15,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:15,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 457 transitions. [2021-03-26 17:54:15,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.642857142857146) internal successors, (457), 14 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:15,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:15,585 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:15,585 INFO L185 Difference]: Start difference. First operand has 904 places, 1249 transitions, 35716 flow. Second operand 14 states and 457 transitions. [2021-03-26 17:54:15,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 917 places, 1268 transitions, 38802 flow [2021-03-26 17:54:18,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 1268 transitions, 38540 flow, removed 12 selfloop flow, removed 14 redundant places. [2021-03-26 17:54:18,254 INFO L241 Difference]: Finished difference. Result has 906 places, 1252 transitions, 35646 flow [2021-03-26 17:54:18,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=35464, PETRI_DIFFERENCE_MINUEND_PLACES=890, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35646, PETRI_PLACES=906, PETRI_TRANSITIONS=1252} [2021-03-26 17:54:18,255 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 867 predicate places. [2021-03-26 17:54:18,255 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:18,255 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 906 places, 1252 transitions, 35646 flow [2021-03-26 17:54:18,255 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 906 places, 1252 transitions, 35646 flow [2021-03-26 17:54:18,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 1252 transitions, 35646 flow [2021-03-26 17:54:18,862 INFO L129 PetriNetUnfolder]: 961/2137 cut-off events. [2021-03-26 17:54:18,863 INFO L130 PetriNetUnfolder]: For 343128/343527 co-relation queries the response was YES. [2021-03-26 17:54:18,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40386 conditions, 2137 events. 961/2137 cut-off events. For 343128/343527 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17048 event pairs, 53 based on Foata normal form. 17/2112 useless extension candidates. Maximal degree in co-relation 40027. Up to 586 conditions per place. [2021-03-26 17:54:18,942 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:54:19,111 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:19,111 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:54:19,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 857 [2021-03-26 17:54:19,112 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 1252 transitions, 35646 flow [2021-03-26 17:54:19,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:19,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:19,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:54:19,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-26 17:54:19,112 INFO L428 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:19,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:19,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1703457761, now seen corresponding path program 1 times [2021-03-26 17:54:19,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:19,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318207458] [2021-03-26 17:54:19,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:19,118 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:19,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:19,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:19,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:19,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:19,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:19,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:19,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:19,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:19,159 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:19,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:19,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:19,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:19,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:19,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:19,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:19,223 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:19,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:19,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318207458] [2021-03-26 17:54:19,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:19,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:54:19,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879664672] [2021-03-26 17:54:19,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:54:19,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:19,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:54:19,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:54:19,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 162 [2021-03-26 17:54:19,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 1252 transitions, 35646 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:19,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:19,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 162 [2021-03-26 17:54:19,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:20,948 INFO L129 PetriNetUnfolder]: 1211/2500 cut-off events. [2021-03-26 17:54:20,948 INFO L130 PetriNetUnfolder]: For 402754/402788 co-relation queries the response was YES. [2021-03-26 17:54:21,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50229 conditions, 2500 events. 1211/2500 cut-off events. For 402754/402788 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 18984 event pairs, 177 based on Foata normal form. 19/2517 useless extension candidates. Maximal degree in co-relation 49865. Up to 2280 conditions per place. [2021-03-26 17:54:21,020 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 1210 selfloop transitions, 42 changer transitions 4/1264 dead transitions. [2021-03-26 17:54:21,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 916 places, 1264 transitions, 38392 flow [2021-03-26 17:54:21,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:54:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:54:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 424 transitions. [2021-03-26 17:54:21,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.201329534662868 [2021-03-26 17:54:21,021 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 424 transitions. [2021-03-26 17:54:21,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 424 transitions. [2021-03-26 17:54:21,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:21,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 424 transitions. [2021-03-26 17:54:21,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.61538461538461) internal successors, (424), 13 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:21,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:21,023 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:21,023 INFO L185 Difference]: Start difference. First operand has 904 places, 1252 transitions, 35646 flow. Second operand 13 states and 424 transitions. [2021-03-26 17:54:21,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 916 places, 1264 transitions, 38392 flow [2021-03-26 17:54:23,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 905 places, 1264 transitions, 38252 flow, removed 22 selfloop flow, removed 11 redundant places. [2021-03-26 17:54:23,608 INFO L241 Difference]: Finished difference. Result has 908 places, 1250 transitions, 35535 flow [2021-03-26 17:54:23,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=35523, PETRI_DIFFERENCE_MINUEND_PLACES=893, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=35535, PETRI_PLACES=908, PETRI_TRANSITIONS=1250} [2021-03-26 17:54:23,608 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 869 predicate places. [2021-03-26 17:54:23,608 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:23,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 908 places, 1250 transitions, 35535 flow [2021-03-26 17:54:23,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 908 places, 1250 transitions, 35535 flow [2021-03-26 17:54:23,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 1250 transitions, 35535 flow [2021-03-26 17:54:24,241 INFO L129 PetriNetUnfolder]: 959/2133 cut-off events. [2021-03-26 17:54:24,241 INFO L130 PetriNetUnfolder]: For 335044/335686 co-relation queries the response was YES. [2021-03-26 17:54:24,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40100 conditions, 2133 events. 959/2133 cut-off events. For 335044/335686 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 17110 event pairs, 50 based on Foata normal form. 58/2159 useless extension candidates. Maximal degree in co-relation 39749. Up to 580 conditions per place. [2021-03-26 17:54:24,317 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:54:24,470 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:24,470 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:54:24,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 862 [2021-03-26 17:54:24,470 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 1250 transitions, 35535 flow [2021-03-26 17:54:24,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:24,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:24,470 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] [2021-03-26 17:54:24,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-26 17:54:24,470 INFO L428 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:24,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:24,471 INFO L82 PathProgramCache]: Analyzing trace with hash 546589407, now seen corresponding path program 13 times [2021-03-26 17:54:24,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:24,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687188370] [2021-03-26 17:54:24,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:24,476 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:24,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:24,480 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:24,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:24,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:24,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:24,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:24,517 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:54:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:54:24,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:24,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:24,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:24,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:24,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:24,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:24,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:24,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:24,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:24,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:24,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687188370] [2021-03-26 17:54:24,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:24,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:54:24,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341214262] [2021-03-26 17:54:24,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:54:24,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:24,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:54:24,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:54:24,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 162 [2021-03-26 17:54:24,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 1250 transitions, 35535 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:24,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:24,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 162 [2021-03-26 17:54:24,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:26,398 INFO L129 PetriNetUnfolder]: 1210/2497 cut-off events. [2021-03-26 17:54:26,398 INFO L130 PetriNetUnfolder]: For 396233/396254 co-relation queries the response was YES. [2021-03-26 17:54:26,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49959 conditions, 2497 events. 1210/2497 cut-off events. For 396233/396254 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18950 event pairs, 161 based on Foata normal form. 18/2514 useless extension candidates. Maximal degree in co-relation 49606. Up to 2231 conditions per place. [2021-03-26 17:54:26,468 INFO L132 encePairwiseOnDemand]: 144/162 looper letters, 1165 selfloop transitions, 84 changer transitions 2/1259 dead transitions. [2021-03-26 17:54:26,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 917 places, 1259 transitions, 38238 flow [2021-03-26 17:54:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:54:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:54:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 463 transitions. [2021-03-26 17:54:26,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20414462081128748 [2021-03-26 17:54:26,469 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 463 transitions. [2021-03-26 17:54:26,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 463 transitions. [2021-03-26 17:54:26,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:26,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 463 transitions. [2021-03-26 17:54:26,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.07142857142857) internal successors, (463), 14 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:26,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:26,471 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:26,471 INFO L185 Difference]: Start difference. First operand has 904 places, 1250 transitions, 35535 flow. Second operand 14 states and 463 transitions. [2021-03-26 17:54:26,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 917 places, 1259 transitions, 38238 flow [2021-03-26 17:54:29,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 907 places, 1259 transitions, 38147 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-03-26 17:54:29,094 INFO L241 Difference]: Finished difference. Result has 909 places, 1250 transitions, 35619 flow [2021-03-26 17:54:29,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=35444, PETRI_DIFFERENCE_MINUEND_PLACES=894, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35619, PETRI_PLACES=909, PETRI_TRANSITIONS=1250} [2021-03-26 17:54:29,095 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 870 predicate places. [2021-03-26 17:54:29,095 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:29,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 909 places, 1250 transitions, 35619 flow [2021-03-26 17:54:29,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 909 places, 1250 transitions, 35619 flow [2021-03-26 17:54:29,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 907 places, 1250 transitions, 35619 flow [2021-03-26 17:54:29,697 INFO L129 PetriNetUnfolder]: 964/2140 cut-off events. [2021-03-26 17:54:29,697 INFO L130 PetriNetUnfolder]: For 345525/346022 co-relation queries the response was YES. [2021-03-26 17:54:29,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40306 conditions, 2140 events. 964/2140 cut-off events. For 345525/346022 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 17090 event pairs, 41 based on Foata normal form. 56/2162 useless extension candidates. Maximal degree in co-relation 39947. Up to 581 conditions per place. [2021-03-26 17:54:29,880 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:54:30,033 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:30,033 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:54:30,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 938 [2021-03-26 17:54:30,033 INFO L480 AbstractCegarLoop]: Abstraction has has 907 places, 1250 transitions, 35619 flow [2021-03-26 17:54:30,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:30,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:30,033 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] [2021-03-26 17:54:30,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-26 17:54:30,034 INFO L428 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:30,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:30,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1829308421, now seen corresponding path program 14 times [2021-03-26 17:54:30,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:30,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550039173] [2021-03-26 17:54:30,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:30,040 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:30,045 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:30,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:30,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:30,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:30,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:30,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:30,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:30,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:30,081 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:30,108 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:30,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:30,135 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:30,164 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:54:30,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:54:30,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:30,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:30,208 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:30,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:30,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550039173] [2021-03-26 17:54:30,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:30,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:54:30,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172292918] [2021-03-26 17:54:30,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:54:30,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:30,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:54:30,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:54:30,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 162 [2021-03-26 17:54:30,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 907 places, 1250 transitions, 35619 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:30,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:30,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 162 [2021-03-26 17:54:30,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:32,014 INFO L129 PetriNetUnfolder]: 1209/2504 cut-off events. [2021-03-26 17:54:32,014 INFO L130 PetriNetUnfolder]: For 398578/398599 co-relation queries the response was YES. [2021-03-26 17:54:32,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50198 conditions, 2504 events. 1209/2504 cut-off events. For 398578/398599 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19047 event pairs, 144 based on Foata normal form. 14/2517 useless extension candidates. Maximal degree in co-relation 49830. Up to 2279 conditions per place. [2021-03-26 17:54:32,088 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 1207 selfloop transitions, 49 changer transitions 2/1266 dead transitions. [2021-03-26 17:54:32,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 1266 transitions, 38475 flow [2021-03-26 17:54:32,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:54:32,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:54:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 483 transitions. [2021-03-26 17:54:32,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19876543209876543 [2021-03-26 17:54:32,090 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 483 transitions. [2021-03-26 17:54:32,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 483 transitions. [2021-03-26 17:54:32,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:32,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 483 transitions. [2021-03-26 17:54:32,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.2) internal successors, (483), 15 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:32,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:32,091 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 162.0) internal successors, (2592), 16 states have internal predecessors, (2592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:32,091 INFO L185 Difference]: Start difference. First operand has 907 places, 1250 transitions, 35619 flow. Second operand 15 states and 483 transitions. [2021-03-26 17:54:32,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 1266 transitions, 38475 flow [2021-03-26 17:54:34,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 1266 transitions, 38299 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 17:54:34,680 INFO L241 Difference]: Finished difference. Result has 912 places, 1253 transitions, 35658 flow [2021-03-26 17:54:34,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=35445, PETRI_DIFFERENCE_MINUEND_PLACES=895, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35658, PETRI_PLACES=912, PETRI_TRANSITIONS=1253} [2021-03-26 17:54:34,681 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 873 predicate places. [2021-03-26 17:54:34,681 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:34,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 912 places, 1253 transitions, 35658 flow [2021-03-26 17:54:34,681 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 912 places, 1253 transitions, 35658 flow [2021-03-26 17:54:34,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 911 places, 1253 transitions, 35658 flow [2021-03-26 17:54:35,291 INFO L129 PetriNetUnfolder]: 958/2141 cut-off events. [2021-03-26 17:54:35,291 INFO L130 PetriNetUnfolder]: For 344646/345159 co-relation queries the response was YES. [2021-03-26 17:54:35,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40344 conditions, 2141 events. 958/2141 cut-off events. For 344646/345159 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17200 event pairs, 47 based on Foata normal form. 44/2152 useless extension candidates. Maximal degree in co-relation 39980. Up to 579 conditions per place. [2021-03-26 17:54:35,373 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-26 17:54:35,815 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:35,815 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:54:35,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1134 [2021-03-26 17:54:35,815 INFO L480 AbstractCegarLoop]: Abstraction has has 910 places, 1252 transitions, 35652 flow [2021-03-26 17:54:35,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:35,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:35,815 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] [2021-03-26 17:54:35,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-03-26 17:54:35,816 INFO L428 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:35,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:35,816 INFO L82 PathProgramCache]: Analyzing trace with hash 541337855, now seen corresponding path program 15 times [2021-03-26 17:54:35,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:35,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034552514] [2021-03-26 17:54:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:35,823 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:35,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:35,828 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:35,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:35,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:35,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:35,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:35,865 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:54:35,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:54:35,891 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:35,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:35,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:35,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:35,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:35,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:35,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:35,959 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:35,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:35,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034552514] [2021-03-26 17:54:35,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:35,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:54:35,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182510629] [2021-03-26 17:54:35,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:54:35,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:35,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:54:35,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:54:35,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 17:54:35,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 910 places, 1252 transitions, 35652 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:35,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:35,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 17:54:35,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:37,885 INFO L129 PetriNetUnfolder]: 1208/2502 cut-off events. [2021-03-26 17:54:37,885 INFO L130 PetriNetUnfolder]: For 409243/409264 co-relation queries the response was YES. [2021-03-26 17:54:37,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50342 conditions, 2502 events. 1208/2502 cut-off events. For 409243/409264 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 19007 event pairs, 162 based on Foata normal form. 18/2519 useless extension candidates. Maximal degree in co-relation 49972. Up to 2229 conditions per place. [2021-03-26 17:54:37,958 INFO L132 encePairwiseOnDemand]: 145/163 looper letters, 1166 selfloop transitions, 86 changer transitions 2/1262 dead transitions. [2021-03-26 17:54:37,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 924 places, 1262 transitions, 38380 flow [2021-03-26 17:54:37,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:54:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:54:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 492 transitions. [2021-03-26 17:54:37,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20122699386503068 [2021-03-26 17:54:37,960 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 492 transitions. [2021-03-26 17:54:37,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 492 transitions. [2021-03-26 17:54:37,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:37,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 492 transitions. [2021-03-26 17:54:37,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.8) internal successors, (492), 15 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:37,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:37,961 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:37,961 INFO L185 Difference]: Start difference. First operand has 910 places, 1252 transitions, 35652 flow. Second operand 15 states and 492 transitions. [2021-03-26 17:54:37,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 924 places, 1262 transitions, 38380 flow [2021-03-26 17:54:40,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 912 places, 1262 transitions, 38185 flow, removed 49 selfloop flow, removed 12 redundant places. [2021-03-26 17:54:40,628 INFO L241 Difference]: Finished difference. Result has 914 places, 1252 transitions, 35639 flow [2021-03-26 17:54:40,629 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35457, PETRI_DIFFERENCE_MINUEND_PLACES=898, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35639, PETRI_PLACES=914, PETRI_TRANSITIONS=1252} [2021-03-26 17:54:40,629 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 875 predicate places. [2021-03-26 17:54:40,629 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:40,629 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 914 places, 1252 transitions, 35639 flow [2021-03-26 17:54:40,629 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 914 places, 1252 transitions, 35639 flow [2021-03-26 17:54:40,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 912 places, 1252 transitions, 35639 flow [2021-03-26 17:54:41,228 INFO L129 PetriNetUnfolder]: 958/2139 cut-off events. [2021-03-26 17:54:41,228 INFO L130 PetriNetUnfolder]: For 347929/348479 co-relation queries the response was YES. [2021-03-26 17:54:41,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40403 conditions, 2139 events. 958/2139 cut-off events. For 347929/348479 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17222 event pairs, 49 based on Foata normal form. 49/2152 useless extension candidates. Maximal degree in co-relation 40039. Up to 579 conditions per place. [2021-03-26 17:54:41,307 INFO L142 LiptonReduction]: Number of co-enabled transitions 942 [2021-03-26 17:54:41,482 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:41,482 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:54:41,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 853 [2021-03-26 17:54:41,482 INFO L480 AbstractCegarLoop]: Abstraction has has 912 places, 1252 transitions, 35639 flow [2021-03-26 17:54:41,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:41,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:41,482 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:54:41,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-03-26 17:54:41,482 INFO L428 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:41,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:41,482 INFO L82 PathProgramCache]: Analyzing trace with hash -890678499, now seen corresponding path program 1 times [2021-03-26 17:54:41,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:41,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161243524] [2021-03-26 17:54:41,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:41,493 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:41,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:41,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:41,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:41,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:41,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:41,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:41,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:41,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:41,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:41,535 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:41,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:41,561 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:41,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:41,589 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:41,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:41,618 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 17:54:41,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:54:41,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:41,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:41,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161243524] [2021-03-26 17:54:41,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:41,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:54:41,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867950887] [2021-03-26 17:54:41,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:54:41,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:41,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:54:41,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:54:41,652 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 17:54:41,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 912 places, 1252 transitions, 35639 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:41,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:41,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 17:54:41,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:43,481 INFO L129 PetriNetUnfolder]: 1208/2495 cut-off events. [2021-03-26 17:54:43,481 INFO L130 PetriNetUnfolder]: For 415738/415759 co-relation queries the response was YES. [2021-03-26 17:54:43,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50506 conditions, 2495 events. 1208/2495 cut-off events. For 415738/415759 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 18917 event pairs, 150 based on Foata normal form. 18/2512 useless extension candidates. Maximal degree in co-relation 50140. Up to 2222 conditions per place. [2021-03-26 17:54:43,550 INFO L132 encePairwiseOnDemand]: 140/163 looper letters, 1143 selfloop transitions, 110 changer transitions 2/1263 dead transitions. [2021-03-26 17:54:43,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 926 places, 1263 transitions, 38522 flow [2021-03-26 17:54:43,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:54:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:54:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 500 transitions. [2021-03-26 17:54:43,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20449897750511248 [2021-03-26 17:54:43,551 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 500 transitions. [2021-03-26 17:54:43,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 500 transitions. [2021-03-26 17:54:43,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:43,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 500 transitions. [2021-03-26 17:54:43,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.333333333333336) internal successors, (500), 15 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) [2021-03-26 17:54:43,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:43,553 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:43,553 INFO L185 Difference]: Start difference. First operand has 912 places, 1252 transitions, 35639 flow. Second operand 15 states and 500 transitions. [2021-03-26 17:54:43,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 926 places, 1263 transitions, 38522 flow [2021-03-26 17:54:46,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 912 places, 1263 transitions, 38331 flow, removed 8 selfloop flow, removed 14 redundant places. [2021-03-26 17:54:46,130 INFO L241 Difference]: Finished difference. Result has 913 places, 1250 transitions, 35680 flow [2021-03-26 17:54:46,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35456, PETRI_DIFFERENCE_MINUEND_PLACES=898, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35680, PETRI_PLACES=913, PETRI_TRANSITIONS=1250} [2021-03-26 17:54:46,131 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 874 predicate places. [2021-03-26 17:54:46,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:46,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 913 places, 1250 transitions, 35680 flow [2021-03-26 17:54:46,131 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 913 places, 1250 transitions, 35680 flow [2021-03-26 17:54:46,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 910 places, 1250 transitions, 35680 flow [2021-03-26 17:54:46,737 INFO L129 PetriNetUnfolder]: 968/2144 cut-off events. [2021-03-26 17:54:46,737 INFO L130 PetriNetUnfolder]: For 353989/354408 co-relation queries the response was YES. [2021-03-26 17:54:46,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40775 conditions, 2144 events. 968/2144 cut-off events. For 353989/354408 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17138 event pairs, 47 based on Foata normal form. 22/2128 useless extension candidates. Maximal degree in co-relation 40405. Up to 586 conditions per place. [2021-03-26 17:54:46,818 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:54:46,994 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:46,994 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:54:46,994 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 863 [2021-03-26 17:54:46,995 INFO L480 AbstractCegarLoop]: Abstraction has has 910 places, 1250 transitions, 35680 flow [2021-03-26 17:54:46,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:46,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:46,995 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:54:46,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-03-26 17:54:46,995 INFO L428 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:46,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:46,995 INFO L82 PathProgramCache]: Analyzing trace with hash -827012275, now seen corresponding path program 16 times [2021-03-26 17:54:46,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:46,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518316592] [2021-03-26 17:54:46,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:47,001 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:47,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:47,006 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:47,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:47,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:47,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:47,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:47,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:47,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:47,043 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:47,070 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:47,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:47,098 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:47,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:47,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:47,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:47,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:47,157 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:47,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:47,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518316592] [2021-03-26 17:54:47,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:47,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:54:47,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514988641] [2021-03-26 17:54:47,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:54:47,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:47,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:54:47,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:54:47,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 17:54:47,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 910 places, 1250 transitions, 35680 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:47,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:47,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 17:54:47,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:49,032 INFO L129 PetriNetUnfolder]: 1207/2495 cut-off events. [2021-03-26 17:54:49,032 INFO L130 PetriNetUnfolder]: For 405217/405221 co-relation queries the response was YES. [2021-03-26 17:54:49,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50341 conditions, 2495 events. 1207/2495 cut-off events. For 405217/405221 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18916 event pairs, 169 based on Foata normal form. 5/2499 useless extension candidates. Maximal degree in co-relation 49970. Up to 2275 conditions per place. [2021-03-26 17:54:49,097 INFO L132 encePairwiseOnDemand]: 148/163 looper letters, 1205 selfloop transitions, 46 changer transitions 3/1262 dead transitions. [2021-03-26 17:54:49,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 923 places, 1262 transitions, 38491 flow [2021-03-26 17:54:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:54:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:54:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 454 transitions. [2021-03-26 17:54:49,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19894829097283084 [2021-03-26 17:54:49,098 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 454 transitions. [2021-03-26 17:54:49,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 454 transitions. [2021-03-26 17:54:49,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:49,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 454 transitions. [2021-03-26 17:54:49,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.42857142857143) internal successors, (454), 14 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:49,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 163.0) internal successors, (2445), 15 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:49,100 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 163.0) internal successors, (2445), 15 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:49,100 INFO L185 Difference]: Start difference. First operand has 910 places, 1250 transitions, 35680 flow. Second operand 14 states and 454 transitions. [2021-03-26 17:54:49,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 923 places, 1262 transitions, 38491 flow [2021-03-26 17:54:51,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 1262 transitions, 38253 flow, removed 1 selfloop flow, removed 14 redundant places. [2021-03-26 17:54:51,756 INFO L241 Difference]: Finished difference. Result has 911 places, 1249 transitions, 35508 flow [2021-03-26 17:54:51,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35442, PETRI_DIFFERENCE_MINUEND_PLACES=896, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35508, PETRI_PLACES=911, PETRI_TRANSITIONS=1249} [2021-03-26 17:54:51,757 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 872 predicate places. [2021-03-26 17:54:51,757 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:51,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 911 places, 1249 transitions, 35508 flow [2021-03-26 17:54:51,757 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 911 places, 1249 transitions, 35508 flow [2021-03-26 17:54:51,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 909 places, 1249 transitions, 35508 flow [2021-03-26 17:54:52,352 INFO L129 PetriNetUnfolder]: 957/2130 cut-off events. [2021-03-26 17:54:52,352 INFO L130 PetriNetUnfolder]: For 347132/347684 co-relation queries the response was YES. [2021-03-26 17:54:52,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40227 conditions, 2130 events. 957/2130 cut-off events. For 347132/347684 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 16992 event pairs, 46 based on Foata normal form. 60/2157 useless extension candidates. Maximal degree in co-relation 39866. Up to 579 conditions per place. [2021-03-26 17:54:52,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:54:52,603 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:52,604 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:54:52,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 847 [2021-03-26 17:54:52,604 INFO L480 AbstractCegarLoop]: Abstraction has has 909 places, 1249 transitions, 35508 flow [2021-03-26 17:54:52,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:52,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:52,604 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] [2021-03-26 17:54:52,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-03-26 17:54:52,604 INFO L428 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:52,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:52,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1221898111, now seen corresponding path program 17 times [2021-03-26 17:54:52,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:52,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239143152] [2021-03-26 17:54:52,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:52,610 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:52,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:52,614 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:52,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:52,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:52,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:52,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:52,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:52,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:52,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:52,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:52,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:52,663 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:54:52,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:54:52,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:52,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:52,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:52,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:52,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:52,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:54:52,752 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:54:52,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:54:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:52,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239143152] [2021-03-26 17:54:52,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:52,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:54:52,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963298326] [2021-03-26 17:54:52,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:54:52,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:52,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:54:52,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:54:52,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 17:54:52,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 909 places, 1249 transitions, 35508 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:52,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:52,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 17:54:52,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:54:54,698 INFO L129 PetriNetUnfolder]: 1206/2488 cut-off events. [2021-03-26 17:54:54,698 INFO L130 PetriNetUnfolder]: For 417767/417795 co-relation queries the response was YES. [2021-03-26 17:54:54,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50420 conditions, 2488 events. 1206/2488 cut-off events. For 417767/417795 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18876 event pairs, 152 based on Foata normal form. 21/2508 useless extension candidates. Maximal degree in co-relation 50054. Up to 2274 conditions per place. [2021-03-26 17:54:54,757 INFO L132 encePairwiseOnDemand]: 148/163 looper letters, 1208 selfloop transitions, 45 changer transitions 2/1263 dead transitions. [2021-03-26 17:54:54,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 1263 transitions, 38453 flow [2021-03-26 17:54:54,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:54:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:54:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 453 transitions. [2021-03-26 17:54:54,759 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19851007887817704 [2021-03-26 17:54:54,759 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 453 transitions. [2021-03-26 17:54:54,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 453 transitions. [2021-03-26 17:54:54,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:54:54,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 453 transitions. [2021-03-26 17:54:54,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.357142857142854) internal successors, (453), 14 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:54,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 163.0) internal successors, (2445), 15 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:54,760 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 163.0) internal successors, (2445), 15 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:54,760 INFO L185 Difference]: Start difference. First operand has 909 places, 1249 transitions, 35508 flow. Second operand 14 states and 453 transitions. [2021-03-26 17:54:54,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 922 places, 1263 transitions, 38453 flow [2021-03-26 17:54:57,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 1263 transitions, 38330 flow, removed 14 selfloop flow, removed 13 redundant places. [2021-03-26 17:54:57,322 INFO L241 Difference]: Finished difference. Result has 911 places, 1250 transitions, 35520 flow [2021-03-26 17:54:57,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35401, PETRI_DIFFERENCE_MINUEND_PLACES=896, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35520, PETRI_PLACES=911, PETRI_TRANSITIONS=1250} [2021-03-26 17:54:57,323 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 872 predicate places. [2021-03-26 17:54:57,323 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:54:57,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 911 places, 1250 transitions, 35520 flow [2021-03-26 17:54:57,323 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 911 places, 1250 transitions, 35520 flow [2021-03-26 17:54:57,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 909 places, 1250 transitions, 35520 flow [2021-03-26 17:54:57,933 INFO L129 PetriNetUnfolder]: 956/2129 cut-off events. [2021-03-26 17:54:57,933 INFO L130 PetriNetUnfolder]: For 347357/347804 co-relation queries the response was YES. [2021-03-26 17:54:57,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40294 conditions, 2129 events. 956/2129 cut-off events. For 347357/347804 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17093 event pairs, 49 based on Foata normal form. 35/2126 useless extension candidates. Maximal degree in co-relation 39934. Up to 582 conditions per place. [2021-03-26 17:54:58,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 940 [2021-03-26 17:54:58,185 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:54:58,186 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:54:58,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 863 [2021-03-26 17:54:58,186 INFO L480 AbstractCegarLoop]: Abstraction has has 909 places, 1250 transitions, 35520 flow [2021-03-26 17:54:58,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:58,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:54:58,186 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] [2021-03-26 17:54:58,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-03-26 17:54:58,186 INFO L428 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:54:58,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:54:58,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1680058582, now seen corresponding path program 1 times [2021-03-26 17:54:58,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:54:58,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086487915] [2021-03-26 17:54:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:54:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:54:58,194 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:54:58,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:58,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:54:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:54:58,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:58,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:58,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:54:58,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:58,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:54:58,235 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:54:58,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:54:58,253 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:54:58,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:54:58,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:58,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:54:58,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:58,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:54:58,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:58,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:54:58,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:54:58,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:54:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:54:58,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086487915] [2021-03-26 17:54:58,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:54:58,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:54:58,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73917106] [2021-03-26 17:54:58,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:54:58,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:54:58,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:54:58,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:54:58,312 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 17:54:58,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 909 places, 1250 transitions, 35520 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:54:58,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:54:58,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 17:54:58,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:00,194 INFO L129 PetriNetUnfolder]: 1217/2515 cut-off events. [2021-03-26 17:55:00,194 INFO L130 PetriNetUnfolder]: For 414501/414522 co-relation queries the response was YES. [2021-03-26 17:55:00,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50780 conditions, 2515 events. 1217/2515 cut-off events. For 414501/414522 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 19182 event pairs, 137 based on Foata normal form. 18/2532 useless extension candidates. Maximal degree in co-relation 50415. Up to 2143 conditions per place. [2021-03-26 17:55:00,265 INFO L132 encePairwiseOnDemand]: 143/163 looper letters, 1137 selfloop transitions, 162 changer transitions 4/1311 dead transitions. [2021-03-26 17:55:00,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 924 places, 1311 transitions, 40247 flow [2021-03-26 17:55:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:55:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:55:00,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 538 transitions. [2021-03-26 17:55:00,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2062883435582822 [2021-03-26 17:55:00,267 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 538 transitions. [2021-03-26 17:55:00,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 538 transitions. [2021-03-26 17:55:00,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:00,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 538 transitions. [2021-03-26 17:55:00,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.625) internal successors, (538), 16 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:00,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 163.0) internal successors, (2771), 17 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:00,268 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 163.0) internal successors, (2771), 17 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:00,268 INFO L185 Difference]: Start difference. First operand has 909 places, 1250 transitions, 35520 flow. Second operand 16 states and 538 transitions. [2021-03-26 17:55:00,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 924 places, 1311 transitions, 40247 flow [2021-03-26 17:55:03,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 913 places, 1311 transitions, 40091 flow, removed 35 selfloop flow, removed 11 redundant places. [2021-03-26 17:55:03,112 INFO L241 Difference]: Finished difference. Result has 918 places, 1260 transitions, 36322 flow [2021-03-26 17:55:03,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35364, PETRI_DIFFERENCE_MINUEND_PLACES=898, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1089, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=36322, PETRI_PLACES=918, PETRI_TRANSITIONS=1260} [2021-03-26 17:55:03,112 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 879 predicate places. [2021-03-26 17:55:03,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:03,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 918 places, 1260 transitions, 36322 flow [2021-03-26 17:55:03,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 918 places, 1260 transitions, 36322 flow [2021-03-26 17:55:03,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 917 places, 1260 transitions, 36322 flow [2021-03-26 17:55:03,741 INFO L129 PetriNetUnfolder]: 968/2156 cut-off events. [2021-03-26 17:55:03,742 INFO L130 PetriNetUnfolder]: For 356939/357392 co-relation queries the response was YES. [2021-03-26 17:55:03,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41125 conditions, 2156 events. 968/2156 cut-off events. For 356939/357392 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 17337 event pairs, 43 based on Foata normal form. 35/2153 useless extension candidates. Maximal degree in co-relation 40751. Up to 585 conditions per place. [2021-03-26 17:55:03,824 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-26 17:55:03,996 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:03,996 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:55:03,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 884 [2021-03-26 17:55:03,997 INFO L480 AbstractCegarLoop]: Abstraction has has 917 places, 1260 transitions, 36322 flow [2021-03-26 17:55:03,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:03,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:03,997 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] [2021-03-26 17:55:03,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-03-26 17:55:03,997 INFO L428 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:03,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:03,997 INFO L82 PathProgramCache]: Analyzing trace with hash -972932601, now seen corresponding path program 18 times [2021-03-26 17:55:03,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:03,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682667841] [2021-03-26 17:55:03,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:04,003 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:04,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:04,008 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:04,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:04,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:04,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:04,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:04,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:04,058 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:55:04,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:55:04,086 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:55:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:55:04,116 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:55:04,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:55:04,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:04,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:55:04,162 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:55:04,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:04,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682667841] [2021-03-26 17:55:04,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:04,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:55:04,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948707972] [2021-03-26 17:55:04,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:55:04,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:04,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:55:04,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:55:04,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 163 [2021-03-26 17:55:04,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 917 places, 1260 transitions, 36322 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:04,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:04,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 163 [2021-03-26 17:55:04,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:06,074 INFO L129 PetriNetUnfolder]: 1216/2526 cut-off events. [2021-03-26 17:55:06,074 INFO L130 PetriNetUnfolder]: For 427446/427450 co-relation queries the response was YES. [2021-03-26 17:55:06,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51067 conditions, 2526 events. 1216/2526 cut-off events. For 427446/427450 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 19281 event pairs, 174 based on Foata normal form. 5/2530 useless extension candidates. Maximal degree in co-relation 50692. Up to 2305 conditions per place. [2021-03-26 17:55:06,153 INFO L132 encePairwiseOnDemand]: 148/163 looper letters, 1219 selfloop transitions, 45 changer transitions 2/1274 dead transitions. [2021-03-26 17:55:06,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 1274 transitions, 39111 flow [2021-03-26 17:55:06,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:55:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:55:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 480 transitions. [2021-03-26 17:55:06,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19631901840490798 [2021-03-26 17:55:06,155 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 480 transitions. [2021-03-26 17:55:06,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 480 transitions. [2021-03-26 17:55:06,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:06,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 480 transitions. [2021-03-26 17:55:06,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:06,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:06,156 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 163.0) internal successors, (2608), 16 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:06,156 INFO L185 Difference]: Start difference. First operand has 917 places, 1260 transitions, 36322 flow. Second operand 15 states and 480 transitions. [2021-03-26 17:55:06,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 1274 transitions, 39111 flow [2021-03-26 17:55:09,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 920 places, 1274 transitions, 38508 flow, removed 179 selfloop flow, removed 11 redundant places. [2021-03-26 17:55:09,213 INFO L241 Difference]: Finished difference. Result has 924 places, 1263 transitions, 35930 flow [2021-03-26 17:55:09,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=35721, PETRI_DIFFERENCE_MINUEND_PLACES=906, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35930, PETRI_PLACES=924, PETRI_TRANSITIONS=1263} [2021-03-26 17:55:09,214 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 885 predicate places. [2021-03-26 17:55:09,214 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:09,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 924 places, 1263 transitions, 35930 flow [2021-03-26 17:55:09,214 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 924 places, 1263 transitions, 35930 flow [2021-03-26 17:55:09,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 923 places, 1263 transitions, 35930 flow [2021-03-26 17:55:09,861 INFO L129 PetriNetUnfolder]: 970/2172 cut-off events. [2021-03-26 17:55:09,861 INFO L130 PetriNetUnfolder]: For 353038/353455 co-relation queries the response was YES. [2021-03-26 17:55:09,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40981 conditions, 2172 events. 970/2172 cut-off events. For 353038/353455 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 17544 event pairs, 47 based on Foata normal form. 56/2192 useless extension candidates. Maximal degree in co-relation 40612. Up to 579 conditions per place. [2021-03-26 17:55:09,945 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:55:10,378 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:10,378 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:55:10,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1164 [2021-03-26 17:55:10,378 INFO L480 AbstractCegarLoop]: Abstraction has has 922 places, 1262 transitions, 35922 flow [2021-03-26 17:55:10,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:10,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:10,379 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] [2021-03-26 17:55:10,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-03-26 17:55:10,379 INFO L428 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:10,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:10,379 INFO L82 PathProgramCache]: Analyzing trace with hash 665713999, now seen corresponding path program 19 times [2021-03-26 17:55:10,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:10,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475773908] [2021-03-26 17:55:10,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:10,387 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:10,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:10,392 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:10,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:10,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:10,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:10,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:10,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:10,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:10,443 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:55:10,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:55:10,471 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:55:10,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:55:10,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:10,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:10,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:10,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:55:10,529 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:55:10,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:10,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475773908] [2021-03-26 17:55:10,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:10,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:55:10,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898318355] [2021-03-26 17:55:10,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:55:10,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:10,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:55:10,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:55:10,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-26 17:55:10,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 1262 transitions, 35922 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:10,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:10,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-26 17:55:10,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:12,579 INFO L129 PetriNetUnfolder]: 1215/2517 cut-off events. [2021-03-26 17:55:12,579 INFO L130 PetriNetUnfolder]: For 426543/426571 co-relation queries the response was YES. [2021-03-26 17:55:12,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50905 conditions, 2517 events. 1215/2517 cut-off events. For 426543/426571 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 19183 event pairs, 185 based on Foata normal form. 21/2537 useless extension candidates. Maximal degree in co-relation 50530. Up to 2305 conditions per place. [2021-03-26 17:55:12,655 INFO L132 encePairwiseOnDemand]: 148/164 looper letters, 1218 selfloop transitions, 44 changer transitions 2/1272 dead transitions. [2021-03-26 17:55:12,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 1272 transitions, 38671 flow [2021-03-26 17:55:12,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:55:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:55:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 452 transitions. [2021-03-26 17:55:12,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19686411149825783 [2021-03-26 17:55:12,656 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 452 transitions. [2021-03-26 17:55:12,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 452 transitions. [2021-03-26 17:55:12,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:12,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 452 transitions. [2021-03-26 17:55:12,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.285714285714285) internal successors, (452), 14 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:12,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 164.0) internal successors, (2460), 15 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:12,657 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 164.0) internal successors, (2460), 15 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:12,658 INFO L185 Difference]: Start difference. First operand has 922 places, 1262 transitions, 35922 flow. Second operand 14 states and 452 transitions. [2021-03-26 17:55:12,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 1272 transitions, 38671 flow [2021-03-26 17:55:15,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 921 places, 1272 transitions, 38455 flow, removed 50 selfloop flow, removed 14 redundant places. [2021-03-26 17:55:15,654 INFO L241 Difference]: Finished difference. Result has 923 places, 1262 transitions, 35802 flow [2021-03-26 17:55:15,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35708, PETRI_DIFFERENCE_MINUEND_PLACES=908, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35802, PETRI_PLACES=923, PETRI_TRANSITIONS=1262} [2021-03-26 17:55:15,654 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 884 predicate places. [2021-03-26 17:55:15,654 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:15,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 923 places, 1262 transitions, 35802 flow [2021-03-26 17:55:15,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 923 places, 1262 transitions, 35802 flow [2021-03-26 17:55:15,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 921 places, 1262 transitions, 35802 flow [2021-03-26 17:55:16,279 INFO L129 PetriNetUnfolder]: 967/2165 cut-off events. [2021-03-26 17:55:16,280 INFO L130 PetriNetUnfolder]: For 359044/359560 co-relation queries the response was YES. [2021-03-26 17:55:16,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40890 conditions, 2165 events. 967/2165 cut-off events. For 359044/359560 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17367 event pairs, 43 based on Foata normal form. 52/2177 useless extension candidates. Maximal degree in co-relation 40521. Up to 583 conditions per place. [2021-03-26 17:55:16,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:55:16,539 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:16,539 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:55:16,539 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 885 [2021-03-26 17:55:16,539 INFO L480 AbstractCegarLoop]: Abstraction has has 921 places, 1262 transitions, 35802 flow [2021-03-26 17:55:16,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:16,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:16,540 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:55:16,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-26 17:55:16,540 INFO L428 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:16,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:16,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1707545628, now seen corresponding path program 1 times [2021-03-26 17:55:16,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:16,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492385320] [2021-03-26 17:55:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:16,546 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:16,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:16,551 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:16,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:16,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:16,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:16,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:16,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:16,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:16,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:16,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:16,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:16,601 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:55:16,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:55:16,630 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:55:16,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:55:16,660 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 17:55:16,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:55:16,691 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:55:16,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:16,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492385320] [2021-03-26 17:55:16,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:16,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:55:16,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913509292] [2021-03-26 17:55:16,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:55:16,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:16,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:55:16,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:55:16,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-26 17:55:16,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 921 places, 1262 transitions, 35802 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:16,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:16,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-26 17:55:16,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:18,686 INFO L129 PetriNetUnfolder]: 1215/2513 cut-off events. [2021-03-26 17:55:18,686 INFO L130 PetriNetUnfolder]: For 430574/430595 co-relation queries the response was YES. [2021-03-26 17:55:18,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51001 conditions, 2513 events. 1215/2513 cut-off events. For 430574/430595 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 19187 event pairs, 150 based on Foata normal form. 18/2530 useless extension candidates. Maximal degree in co-relation 50630. Up to 2224 conditions per place. [2021-03-26 17:55:18,760 INFO L132 encePairwiseOnDemand]: 141/164 looper letters, 1134 selfloop transitions, 126 changer transitions 3/1271 dead transitions. [2021-03-26 17:55:18,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 1271 transitions, 38618 flow [2021-03-26 17:55:18,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:55:18,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:55:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 501 transitions. [2021-03-26 17:55:18,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20365853658536584 [2021-03-26 17:55:18,762 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 501 transitions. [2021-03-26 17:55:18,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 501 transitions. [2021-03-26 17:55:18,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:18,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 501 transitions. [2021-03-26 17:55:18,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.4) internal successors, (501), 15 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:18,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 164.0) internal successors, (2624), 16 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:18,763 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 164.0) internal successors, (2624), 16 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:18,763 INFO L185 Difference]: Start difference. First operand has 921 places, 1262 transitions, 35802 flow. Second operand 15 states and 501 transitions. [2021-03-26 17:55:18,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 1271 transitions, 38618 flow [2021-03-26 17:55:21,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 1271 transitions, 38515 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-26 17:55:21,644 INFO L241 Difference]: Finished difference. Result has 924 places, 1259 transitions, 35934 flow [2021-03-26 17:55:21,644 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35699, PETRI_DIFFERENCE_MINUEND_PLACES=909, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35934, PETRI_PLACES=924, PETRI_TRANSITIONS=1259} [2021-03-26 17:55:21,644 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 885 predicate places. [2021-03-26 17:55:21,645 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:21,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 924 places, 1259 transitions, 35934 flow [2021-03-26 17:55:21,645 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 924 places, 1259 transitions, 35934 flow [2021-03-26 17:55:21,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 922 places, 1259 transitions, 35934 flow [2021-03-26 17:55:22,265 INFO L129 PetriNetUnfolder]: 961/2146 cut-off events. [2021-03-26 17:55:22,266 INFO L130 PetriNetUnfolder]: For 358335/358769 co-relation queries the response was YES. [2021-03-26 17:55:22,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40795 conditions, 2146 events. 961/2146 cut-off events. For 358335/358769 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 17270 event pairs, 46 based on Foata normal form. 34/2147 useless extension candidates. Maximal degree in co-relation 40436. Up to 579 conditions per place. [2021-03-26 17:55:22,349 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-26 17:55:22,519 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:22,519 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:55:22,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 874 [2021-03-26 17:55:22,519 INFO L480 AbstractCegarLoop]: Abstraction has has 922 places, 1259 transitions, 35934 flow [2021-03-26 17:55:22,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:22,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:22,519 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] [2021-03-26 17:55:22,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-26 17:55:22,519 INFO L428 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:22,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:22,520 INFO L82 PathProgramCache]: Analyzing trace with hash 101509143, now seen corresponding path program 20 times [2021-03-26 17:55:22,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:22,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110761341] [2021-03-26 17:55:22,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:22,525 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:22,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:22,530 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:22,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:22,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:22,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:22,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:22,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:22,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:22,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:22,567 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:55:22,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:55:22,594 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:55:22,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:55:22,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:22,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:22,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:22,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:22,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:22,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:55:22,673 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:55:22,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:22,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110761341] [2021-03-26 17:55:22,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:22,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:55:22,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291147412] [2021-03-26 17:55:22,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:55:22,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:22,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:55:22,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:55:22,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-26 17:55:22,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 1259 transitions, 35934 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:22,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:22,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-26 17:55:22,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:24,687 INFO L129 PetriNetUnfolder]: 1214/2513 cut-off events. [2021-03-26 17:55:24,687 INFO L130 PetriNetUnfolder]: For 429951/429972 co-relation queries the response was YES. [2021-03-26 17:55:24,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51182 conditions, 2513 events. 1214/2513 cut-off events. For 429951/429972 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19172 event pairs, 160 based on Foata normal form. 18/2530 useless extension candidates. Maximal degree in co-relation 50821. Up to 2244 conditions per place. [2021-03-26 17:55:24,759 INFO L132 encePairwiseOnDemand]: 146/164 looper letters, 1176 selfloop transitions, 85 changer transitions 6/1275 dead transitions. [2021-03-26 17:55:24,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 1275 transitions, 38920 flow [2021-03-26 17:55:24,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:55:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:55:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 521 transitions. [2021-03-26 17:55:24,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19855182926829268 [2021-03-26 17:55:24,761 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 521 transitions. [2021-03-26 17:55:24,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 521 transitions. [2021-03-26 17:55:24,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:24,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 521 transitions. [2021-03-26 17:55:24,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.5625) internal successors, (521), 16 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:24,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 164.0) internal successors, (2788), 17 states have internal predecessors, (2788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:24,763 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 164.0) internal successors, (2788), 17 states have internal predecessors, (2788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:24,763 INFO L185 Difference]: Start difference. First operand has 922 places, 1259 transitions, 35934 flow. Second operand 16 states and 521 transitions. [2021-03-26 17:55:24,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 1275 transitions, 38920 flow [2021-03-26 17:55:27,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 919 places, 1275 transitions, 38597 flow, removed 8 selfloop flow, removed 18 redundant places. [2021-03-26 17:55:27,790 INFO L241 Difference]: Finished difference. Result has 922 places, 1259 transitions, 35813 flow [2021-03-26 17:55:27,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35629, PETRI_DIFFERENCE_MINUEND_PLACES=904, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35813, PETRI_PLACES=922, PETRI_TRANSITIONS=1259} [2021-03-26 17:55:27,790 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 883 predicate places. [2021-03-26 17:55:27,790 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:27,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 922 places, 1259 transitions, 35813 flow [2021-03-26 17:55:27,790 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 922 places, 1259 transitions, 35813 flow [2021-03-26 17:55:27,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 920 places, 1259 transitions, 35813 flow [2021-03-26 17:55:28,427 INFO L129 PetriNetUnfolder]: 965/2153 cut-off events. [2021-03-26 17:55:28,427 INFO L130 PetriNetUnfolder]: For 335010/335356 co-relation queries the response was YES. [2021-03-26 17:55:28,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40653 conditions, 2153 events. 965/2153 cut-off events. For 335010/335356 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 17194 event pairs, 53 based on Foata normal form. 39/2154 useless extension candidates. Maximal degree in co-relation 40288. Up to 578 conditions per place. [2021-03-26 17:55:28,511 INFO L142 LiptonReduction]: Number of co-enabled transitions 950 [2021-03-26 17:55:28,688 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:28,688 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:55:28,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 898 [2021-03-26 17:55:28,688 INFO L480 AbstractCegarLoop]: Abstraction has has 920 places, 1259 transitions, 35813 flow [2021-03-26 17:55:28,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:28,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:28,688 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] [2021-03-26 17:55:28,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-26 17:55:28,688 INFO L428 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:28,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:28,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1376148296, now seen corresponding path program 1 times [2021-03-26 17:55:28,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:28,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480463780] [2021-03-26 17:55:28,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:28,696 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:28,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:28,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:28,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:28,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:28,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:28,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:28,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:28,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:28,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:28,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:28,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:28,751 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:55:28,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:55:28,771 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:55:28,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:28,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:55:28,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:28,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:28,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:28,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:28,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480463780] [2021-03-26 17:55:28,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:28,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:55:28,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577229652] [2021-03-26 17:55:28,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:55:28,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:28,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:55:28,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:55:28,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 164 [2021-03-26 17:55:28,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 920 places, 1259 transitions, 35813 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:28,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:28,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 164 [2021-03-26 17:55:28,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:30,696 INFO L129 PetriNetUnfolder]: 1213/2514 cut-off events. [2021-03-26 17:55:30,696 INFO L130 PetriNetUnfolder]: For 420285/420306 co-relation queries the response was YES. [2021-03-26 17:55:30,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50829 conditions, 2514 events. 1213/2514 cut-off events. For 420285/420306 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 19178 event pairs, 168 based on Foata normal form. 14/2527 useless extension candidates. Maximal degree in co-relation 50455. Up to 2254 conditions per place. [2021-03-26 17:55:30,769 INFO L132 encePairwiseOnDemand]: 143/164 looper letters, 1175 selfloop transitions, 92 changer transitions 1/1276 dead transitions. [2021-03-26 17:55:30,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 1276 transitions, 38863 flow [2021-03-26 17:55:30,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:55:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:55:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 552 transitions. [2021-03-26 17:55:30,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19799139167862267 [2021-03-26 17:55:30,771 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 552 transitions. [2021-03-26 17:55:30,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 552 transitions. [2021-03-26 17:55:30,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:30,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 552 transitions. [2021-03-26 17:55:30,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.470588235294116) internal successors, (552), 17 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:30,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:30,772 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 164.0) internal successors, (2952), 18 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:30,772 INFO L185 Difference]: Start difference. First operand has 920 places, 1259 transitions, 35813 flow. Second operand 17 states and 552 transitions. [2021-03-26 17:55:30,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 1276 transitions, 38863 flow [2021-03-26 17:55:33,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 1276 transitions, 38651 flow, removed 36 selfloop flow, removed 13 redundant places. [2021-03-26 17:55:33,678 INFO L241 Difference]: Finished difference. Result has 926 places, 1260 transitions, 35918 flow [2021-03-26 17:55:33,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=35619, PETRI_DIFFERENCE_MINUEND_PLACES=907, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=35918, PETRI_PLACES=926, PETRI_TRANSITIONS=1260} [2021-03-26 17:55:33,679 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 887 predicate places. [2021-03-26 17:55:33,679 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:33,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 926 places, 1260 transitions, 35918 flow [2021-03-26 17:55:33,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 926 places, 1260 transitions, 35918 flow [2021-03-26 17:55:33,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 926 places, 1260 transitions, 35918 flow [2021-03-26 17:55:34,291 INFO L129 PetriNetUnfolder]: 959/2154 cut-off events. [2021-03-26 17:55:34,291 INFO L130 PetriNetUnfolder]: For 339197/339782 co-relation queries the response was YES. [2021-03-26 17:55:34,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40177 conditions, 2154 events. 959/2154 cut-off events. For 339197/339782 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17336 event pairs, 40 based on Foata normal form. 63/2188 useless extension candidates. Maximal degree in co-relation 39805. Up to 577 conditions per place. [2021-03-26 17:55:34,375 INFO L142 LiptonReduction]: Number of co-enabled transitions 956 [2021-03-26 17:55:34,803 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:34,803 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:55:34,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1124 [2021-03-26 17:55:34,803 INFO L480 AbstractCegarLoop]: Abstraction has has 926 places, 1260 transitions, 35940 flow [2021-03-26 17:55:34,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:34,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:34,804 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] [2021-03-26 17:55:34,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-03-26 17:55:34,804 INFO L428 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:34,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:34,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1327588386, now seen corresponding path program 1 times [2021-03-26 17:55:34,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:34,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114878238] [2021-03-26 17:55:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:34,812 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:34,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:34,816 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:34,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:34,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:34,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:34,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:34,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:34,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:34,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:34,854 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:55:34,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:55:34,872 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:55:34,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:55:34,891 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:55:34,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:34,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:34,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:55:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:34,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:55:34,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:34,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:34,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114878238] [2021-03-26 17:55:34,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:34,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:55:34,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192977739] [2021-03-26 17:55:34,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:55:34,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:34,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:55:34,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:55:34,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-26 17:55:34,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 926 places, 1260 transitions, 35940 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:34,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:34,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-26 17:55:34,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:37,049 INFO L129 PetriNetUnfolder]: 1213/2519 cut-off events. [2021-03-26 17:55:37,049 INFO L130 PetriNetUnfolder]: For 403986/404007 co-relation queries the response was YES. [2021-03-26 17:55:37,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50450 conditions, 2519 events. 1213/2519 cut-off events. For 403986/404007 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19269 event pairs, 142 based on Foata normal form. 18/2536 useless extension candidates. Maximal degree in co-relation 50075. Up to 2163 conditions per place. [2021-03-26 17:55:37,122 INFO L132 encePairwiseOnDemand]: 145/165 looper letters, 1140 selfloop transitions, 149 changer transitions 8/1305 dead transitions. [2021-03-26 17:55:37,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 1305 transitions, 39822 flow [2021-03-26 17:55:37,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:55:37,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:55:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 618 transitions. [2021-03-26 17:55:37,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19712918660287082 [2021-03-26 17:55:37,124 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 618 transitions. [2021-03-26 17:55:37,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 618 transitions. [2021-03-26 17:55:37,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:37,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 618 transitions. [2021-03-26 17:55:37,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 32.526315789473685) internal successors, (618), 19 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) [2021-03-26 17:55:37,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 165.0) internal successors, (3300), 20 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:37,126 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 165.0) internal successors, (3300), 20 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:37,126 INFO L185 Difference]: Start difference. First operand has 926 places, 1260 transitions, 35940 flow. Second operand 19 states and 618 transitions. [2021-03-26 17:55:37,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 1305 transitions, 39822 flow [2021-03-26 17:55:39,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 930 places, 1305 transitions, 39556 flow, removed 45 selfloop flow, removed 14 redundant places. [2021-03-26 17:55:39,854 INFO L241 Difference]: Finished difference. Result has 934 places, 1258 transitions, 35954 flow [2021-03-26 17:55:39,855 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35676, PETRI_DIFFERENCE_MINUEND_PLACES=912, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=35954, PETRI_PLACES=934, PETRI_TRANSITIONS=1258} [2021-03-26 17:55:39,855 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 895 predicate places. [2021-03-26 17:55:39,855 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:39,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 934 places, 1258 transitions, 35954 flow [2021-03-26 17:55:39,855 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 934 places, 1258 transitions, 35954 flow [2021-03-26 17:55:39,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 930 places, 1258 transitions, 35954 flow [2021-03-26 17:55:40,471 INFO L129 PetriNetUnfolder]: 963/2162 cut-off events. [2021-03-26 17:55:40,471 INFO L130 PetriNetUnfolder]: For 344049/344683 co-relation queries the response was YES. [2021-03-26 17:55:40,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40695 conditions, 2162 events. 963/2162 cut-off events. For 344049/344683 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17491 event pairs, 42 based on Foata normal form. 61/2193 useless extension candidates. Maximal degree in co-relation 40336. Up to 582 conditions per place. [2021-03-26 17:55:40,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 952 [2021-03-26 17:55:40,730 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:40,730 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:55:40,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 875 [2021-03-26 17:55:40,730 INFO L480 AbstractCegarLoop]: Abstraction has has 930 places, 1258 transitions, 35954 flow [2021-03-26 17:55:40,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:40,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:40,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:55:40,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-03-26 17:55:40,730 INFO L428 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:40,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:40,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1974777936, now seen corresponding path program 1 times [2021-03-26 17:55:40,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:40,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995771970] [2021-03-26 17:55:40,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:40,736 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:40,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:40,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:40,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:40,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:40,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:40,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:40,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:40,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:40,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:40,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:40,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:40,790 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:55:40,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:55:40,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:40,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:40,827 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:55:40,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:40,841 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:55:40,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:40,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:40,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995771970] [2021-03-26 17:55:40,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:40,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:55:40,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798262041] [2021-03-26 17:55:40,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:55:40,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:40,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:55:40,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:55:40,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-26 17:55:40,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 1258 transitions, 35954 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:40,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:40,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-26 17:55:40,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:42,763 INFO L129 PetriNetUnfolder]: 1216/2525 cut-off events. [2021-03-26 17:55:42,763 INFO L130 PetriNetUnfolder]: For 402890/402911 co-relation queries the response was YES. [2021-03-26 17:55:42,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50612 conditions, 2525 events. 1216/2525 cut-off events. For 402890/402911 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 19325 event pairs, 144 based on Foata normal form. 18/2542 useless extension candidates. Maximal degree in co-relation 50251. Up to 2270 conditions per place. [2021-03-26 17:55:42,837 INFO L132 encePairwiseOnDemand]: 147/165 looper letters, 1187 selfloop transitions, 78 changer transitions 5/1278 dead transitions. [2021-03-26 17:55:42,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 945 places, 1278 transitions, 39029 flow [2021-03-26 17:55:42,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:55:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:55:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 528 transitions. [2021-03-26 17:55:42,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2 [2021-03-26 17:55:42,839 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 528 transitions. [2021-03-26 17:55:42,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 528 transitions. [2021-03-26 17:55:42,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:42,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 528 transitions. [2021-03-26 17:55:42,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.0) internal successors, (528), 16 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:42,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:42,840 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:42,840 INFO L185 Difference]: Start difference. First operand has 930 places, 1258 transitions, 35954 flow. Second operand 16 states and 528 transitions. [2021-03-26 17:55:42,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 945 places, 1278 transitions, 39029 flow [2021-03-26 17:55:45,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 1278 transitions, 38837 flow, removed 5 selfloop flow, removed 16 redundant places. [2021-03-26 17:55:45,541 INFO L241 Difference]: Finished difference. Result has 934 places, 1261 transitions, 36056 flow [2021-03-26 17:55:45,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35762, PETRI_DIFFERENCE_MINUEND_PLACES=914, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=36056, PETRI_PLACES=934, PETRI_TRANSITIONS=1261} [2021-03-26 17:55:45,542 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 895 predicate places. [2021-03-26 17:55:45,542 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:45,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 934 places, 1261 transitions, 36056 flow [2021-03-26 17:55:45,542 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 934 places, 1261 transitions, 36056 flow [2021-03-26 17:55:45,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 932 places, 1261 transitions, 36056 flow [2021-03-26 17:55:46,183 INFO L129 PetriNetUnfolder]: 968/2166 cut-off events. [2021-03-26 17:55:46,183 INFO L130 PetriNetUnfolder]: For 347665/348312 co-relation queries the response was YES. [2021-03-26 17:55:46,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40718 conditions, 2166 events. 968/2166 cut-off events. For 347665/348312 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17491 event pairs, 48 based on Foata normal form. 58/2188 useless extension candidates. Maximal degree in co-relation 40347. Up to 587 conditions per place. [2021-03-26 17:55:46,265 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-26 17:55:46,408 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:46,408 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:55:46,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 866 [2021-03-26 17:55:46,408 INFO L480 AbstractCegarLoop]: Abstraction has has 932 places, 1261 transitions, 36056 flow [2021-03-26 17:55:46,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:46,409 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:46,409 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:55:46,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-03-26 17:55:46,409 INFO L428 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:46,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:46,409 INFO L82 PathProgramCache]: Analyzing trace with hash -899094356, now seen corresponding path program 2 times [2021-03-26 17:55:46,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:46,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816937055] [2021-03-26 17:55:46,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:46,415 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:46,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:46,419 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:46,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:46,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:46,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:46,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:46,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:46,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:46,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:46,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:46,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:46,469 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:55:46,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:55:46,492 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 17:55:46,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:55:46,495 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:55:46,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:46,508 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:55:46,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:46,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816937055] [2021-03-26 17:55:46,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:46,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:55:46,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039992752] [2021-03-26 17:55:46,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:55:46,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:46,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:55:46,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:55:46,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-26 17:55:46,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 932 places, 1261 transitions, 36056 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:46,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:46,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-26 17:55:46,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:48,461 INFO L129 PetriNetUnfolder]: 1214/2521 cut-off events. [2021-03-26 17:55:48,461 INFO L130 PetriNetUnfolder]: For 402560/402581 co-relation queries the response was YES. [2021-03-26 17:55:48,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50567 conditions, 2521 events. 1214/2521 cut-off events. For 402560/402581 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 19297 event pairs, 147 based on Foata normal form. 18/2538 useless extension candidates. Maximal degree in co-relation 50193. Up to 2180 conditions per place. [2021-03-26 17:55:48,535 INFO L132 encePairwiseOnDemand]: 134/165 looper letters, 1048 selfloop transitions, 211 changer transitions 3/1270 dead transitions. [2021-03-26 17:55:48,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 1270 transitions, 38762 flow [2021-03-26 17:55:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:55:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:55:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 587 transitions. [2021-03-26 17:55:48,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19764309764309765 [2021-03-26 17:55:48,537 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 587 transitions. [2021-03-26 17:55:48,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 587 transitions. [2021-03-26 17:55:48,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:48,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 587 transitions. [2021-03-26 17:55:48,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 32.611111111111114) internal successors, (587), 18 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:48,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 165.0) internal successors, (3135), 19 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:48,538 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 165.0) internal successors, (3135), 19 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:48,538 INFO L185 Difference]: Start difference. First operand has 932 places, 1261 transitions, 36056 flow. Second operand 18 states and 587 transitions. [2021-03-26 17:55:48,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 1270 transitions, 38762 flow [2021-03-26 17:55:51,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 1270 transitions, 38532 flow, removed 19 selfloop flow, removed 16 redundant places. [2021-03-26 17:55:51,169 INFO L241 Difference]: Finished difference. Result has 935 places, 1259 transitions, 36361 flow [2021-03-26 17:55:51,170 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35827, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=36361, PETRI_PLACES=935, PETRI_TRANSITIONS=1259} [2021-03-26 17:55:51,170 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 896 predicate places. [2021-03-26 17:55:51,170 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:51,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 935 places, 1259 transitions, 36361 flow [2021-03-26 17:55:51,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 935 places, 1259 transitions, 36361 flow [2021-03-26 17:55:51,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 933 places, 1259 transitions, 36361 flow [2021-03-26 17:55:51,865 INFO L129 PetriNetUnfolder]: 964/2159 cut-off events. [2021-03-26 17:55:51,865 INFO L130 PetriNetUnfolder]: For 350447/351099 co-relation queries the response was YES. [2021-03-26 17:55:51,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40825 conditions, 2159 events. 964/2159 cut-off events. For 350447/351099 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17457 event pairs, 46 based on Foata normal form. 63/2195 useless extension candidates. Maximal degree in co-relation 40450. Up to 583 conditions per place. [2021-03-26 17:55:51,938 INFO L142 LiptonReduction]: Number of co-enabled transitions 950 [2021-03-26 17:55:52,091 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:52,091 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:55:52,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 921 [2021-03-26 17:55:52,092 INFO L480 AbstractCegarLoop]: Abstraction has has 933 places, 1259 transitions, 36361 flow [2021-03-26 17:55:52,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:52,092 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:52,092 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:55:52,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-03-26 17:55:52,092 INFO L428 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:52,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:52,092 INFO L82 PathProgramCache]: Analyzing trace with hash -62221728, now seen corresponding path program 3 times [2021-03-26 17:55:52,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:52,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140405066] [2021-03-26 17:55:52,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:52,098 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:52,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:52,103 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:52,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:52,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:52,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:52,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:52,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:52,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:52,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:52,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:52,152 INFO L142 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size [2021-03-26 17:55:52,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:55:52,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:52,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:52,189 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:55:52,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:52,204 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:55:52,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:55:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:52,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140405066] [2021-03-26 17:55:52,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:52,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:55:52,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338582323] [2021-03-26 17:55:52,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:55:52,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:52,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:55:52,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:55:52,207 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-26 17:55:52,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 1259 transitions, 36361 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:52,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:52,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-26 17:55:52,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:54,203 INFO L129 PetriNetUnfolder]: 1214/2519 cut-off events. [2021-03-26 17:55:54,203 INFO L130 PetriNetUnfolder]: For 407107/407128 co-relation queries the response was YES. [2021-03-26 17:55:54,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50784 conditions, 2519 events. 1214/2519 cut-off events. For 407107/407128 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 19224 event pairs, 173 based on Foata normal form. 18/2536 useless extension candidates. Maximal degree in co-relation 50406. Up to 2179 conditions per place. [2021-03-26 17:55:54,276 INFO L132 encePairwiseOnDemand]: 134/165 looper letters, 1048 selfloop transitions, 209 changer transitions 6/1271 dead transitions. [2021-03-26 17:55:54,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 1271 transitions, 39140 flow [2021-03-26 17:55:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 17:55:54,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 17:55:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 641 transitions. [2021-03-26 17:55:54,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19424242424242424 [2021-03-26 17:55:54,277 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 641 transitions. [2021-03-26 17:55:54,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 641 transitions. [2021-03-26 17:55:54,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:54,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 641 transitions. [2021-03-26 17:55:54,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 32.05) internal successors, (641), 20 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) [2021-03-26 17:55:54,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 165.0) internal successors, (3465), 21 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:54,279 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 165.0) internal successors, (3465), 21 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:54,279 INFO L185 Difference]: Start difference. First operand has 933 places, 1259 transitions, 36361 flow. Second operand 20 states and 641 transitions. [2021-03-26 17:55:54,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 952 places, 1271 transitions, 39140 flow [2021-03-26 17:55:56,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 1271 transitions, 38569 flow, removed 3 selfloop flow, removed 17 redundant places. [2021-03-26 17:55:56,925 INFO L241 Difference]: Finished difference. Result has 939 places, 1257 transitions, 36125 flow [2021-03-26 17:55:56,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35792, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=36125, PETRI_PLACES=939, PETRI_TRANSITIONS=1257} [2021-03-26 17:55:56,926 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 900 predicate places. [2021-03-26 17:55:56,926 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:55:56,926 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 939 places, 1257 transitions, 36125 flow [2021-03-26 17:55:56,926 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 939 places, 1257 transitions, 36125 flow [2021-03-26 17:55:56,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 934 places, 1257 transitions, 36125 flow [2021-03-26 17:55:57,562 INFO L129 PetriNetUnfolder]: 956/2151 cut-off events. [2021-03-26 17:55:57,563 INFO L130 PetriNetUnfolder]: For 336627/337255 co-relation queries the response was YES. [2021-03-26 17:55:57,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40363 conditions, 2151 events. 956/2151 cut-off events. For 336627/337255 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 17327 event pairs, 43 based on Foata normal form. 67/2190 useless extension candidates. Maximal degree in co-relation 40001. Up to 578 conditions per place. [2021-03-26 17:55:57,757 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:55:57,911 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:55:57,911 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:55:57,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 985 [2021-03-26 17:55:57,912 INFO L480 AbstractCegarLoop]: Abstraction has has 934 places, 1257 transitions, 36125 flow [2021-03-26 17:55:57,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:57,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:55:57,912 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] [2021-03-26 17:55:57,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-03-26 17:55:57,912 INFO L428 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:55:57,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:55:57,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1926581832, now seen corresponding path program 12 times [2021-03-26 17:55:57,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:55:57,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785842809] [2021-03-26 17:55:57,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:55:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:55:57,923 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:55:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:57,928 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:55:57,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:55:57,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:57,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:55:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:55:57,964 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:55:57,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:55:57,980 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:55:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:55:57,997 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:55:57,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:55:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:55:58,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:55:58,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:55:58,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:55:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:55:58,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785842809] [2021-03-26 17:55:58,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:55:58,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:55:58,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336303312] [2021-03-26 17:55:58,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:55:58,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:55:58,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:55:58,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:55:58,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-26 17:55:58,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 1257 transitions, 36125 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:58,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:55:58,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-26 17:55:58,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:55:59,907 INFO L129 PetriNetUnfolder]: 1212/2517 cut-off events. [2021-03-26 17:55:59,907 INFO L130 PetriNetUnfolder]: For 404305/404326 co-relation queries the response was YES. [2021-03-26 17:55:59,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50573 conditions, 2517 events. 1212/2517 cut-off events. For 404305/404326 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19241 event pairs, 152 based on Foata normal form. 18/2534 useless extension candidates. Maximal degree in co-relation 50203. Up to 2256 conditions per place. [2021-03-26 17:55:59,983 INFO L132 encePairwiseOnDemand]: 148/165 looper letters, 1186 selfloop transitions, 71 changer transitions 5/1270 dead transitions. [2021-03-26 17:55:59,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 1270 transitions, 38931 flow [2021-03-26 17:55:59,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:55:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:55:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 518 transitions. [2021-03-26 17:55:59,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1962121212121212 [2021-03-26 17:55:59,985 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 518 transitions. [2021-03-26 17:55:59,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 518 transitions. [2021-03-26 17:55:59,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:55:59,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 518 transitions. [2021-03-26 17:55:59,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.375) internal successors, (518), 16 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:59,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:59,986 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:55:59,986 INFO L185 Difference]: Start difference. First operand has 934 places, 1257 transitions, 36125 flow. Second operand 16 states and 518 transitions. [2021-03-26 17:55:59,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 1270 transitions, 38931 flow [2021-03-26 17:56:02,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 1270 transitions, 38479 flow, removed 11 selfloop flow, removed 21 redundant places. [2021-03-26 17:56:02,666 INFO L241 Difference]: Finished difference. Result has 930 places, 1253 transitions, 35781 flow [2021-03-26 17:56:02,667 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35673, PETRI_DIFFERENCE_MINUEND_PLACES=913, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35781, PETRI_PLACES=930, PETRI_TRANSITIONS=1253} [2021-03-26 17:56:02,667 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 891 predicate places. [2021-03-26 17:56:02,667 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:02,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 930 places, 1253 transitions, 35781 flow [2021-03-26 17:56:02,667 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 930 places, 1253 transitions, 35781 flow [2021-03-26 17:56:02,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 924 places, 1253 transitions, 35781 flow [2021-03-26 17:56:03,283 INFO L129 PetriNetUnfolder]: 957/2144 cut-off events. [2021-03-26 17:56:03,284 INFO L130 PetriNetUnfolder]: For 339255/339907 co-relation queries the response was YES. [2021-03-26 17:56:03,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40136 conditions, 2144 events. 957/2144 cut-off events. For 339255/339907 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17153 event pairs, 46 based on Foata normal form. 63/2176 useless extension candidates. Maximal degree in co-relation 39771. Up to 578 conditions per place. [2021-03-26 17:56:03,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:56:03,543 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:03,543 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:56:03,543 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 876 [2021-03-26 17:56:03,543 INFO L480 AbstractCegarLoop]: Abstraction has has 924 places, 1253 transitions, 35781 flow [2021-03-26 17:56:03,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:03,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:03,544 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] [2021-03-26 17:56:03,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-03-26 17:56:03,544 INFO L428 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:03,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:03,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1609493101, now seen corresponding path program 2 times [2021-03-26 17:56:03,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:03,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396812208] [2021-03-26 17:56:03,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:03,551 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:03,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:03,557 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:03,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:03,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:03,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:03,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:03,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:03,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:03,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:03,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:56:03,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:03,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:03,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:03,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396812208] [2021-03-26 17:56:03,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:03,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:56:03,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235849192] [2021-03-26 17:56:03,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:56:03,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:03,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:56:03,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:56:03,652 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-26 17:56:03,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 924 places, 1253 transitions, 35781 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:03,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:03,653 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-26 17:56:03,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:05,471 INFO L129 PetriNetUnfolder]: 1216/2523 cut-off events. [2021-03-26 17:56:05,472 INFO L130 PetriNetUnfolder]: For 411654/411675 co-relation queries the response was YES. [2021-03-26 17:56:05,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50717 conditions, 2523 events. 1216/2523 cut-off events. For 411654/411675 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 19275 event pairs, 172 based on Foata normal form. 14/2536 useless extension candidates. Maximal degree in co-relation 50347. Up to 2279 conditions per place. [2021-03-26 17:56:05,545 INFO L132 encePairwiseOnDemand]: 147/165 looper letters, 1195 selfloop transitions, 69 changer transitions 3/1275 dead transitions. [2021-03-26 17:56:05,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 1275 transitions, 39039 flow [2021-03-26 17:56:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:56:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:56:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 494 transitions. [2021-03-26 17:56:05,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1995959595959596 [2021-03-26 17:56:05,546 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 494 transitions. [2021-03-26 17:56:05,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 494 transitions. [2021-03-26 17:56:05,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:05,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 494 transitions. [2021-03-26 17:56:05,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.93333333333333) internal successors, (494), 15 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:05,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:05,548 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:05,548 INFO L185 Difference]: Start difference. First operand has 924 places, 1253 transitions, 35781 flow. Second operand 15 states and 494 transitions. [2021-03-26 17:56:05,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 1275 transitions, 39039 flow [2021-03-26 17:56:08,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 925 places, 1275 transitions, 38879 flow, removed 9 selfloop flow, removed 13 redundant places. [2021-03-26 17:56:08,300 INFO L241 Difference]: Finished difference. Result has 930 places, 1257 transitions, 35978 flow [2021-03-26 17:56:08,300 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35621, PETRI_DIFFERENCE_MINUEND_PLACES=911, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35978, PETRI_PLACES=930, PETRI_TRANSITIONS=1257} [2021-03-26 17:56:08,300 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 891 predicate places. [2021-03-26 17:56:08,300 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:08,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 930 places, 1257 transitions, 35978 flow [2021-03-26 17:56:08,300 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 930 places, 1257 transitions, 35978 flow [2021-03-26 17:56:08,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 927 places, 1257 transitions, 35978 flow [2021-03-26 17:56:08,938 INFO L129 PetriNetUnfolder]: 966/2157 cut-off events. [2021-03-26 17:56:08,938 INFO L130 PetriNetUnfolder]: For 345303/345955 co-relation queries the response was YES. [2021-03-26 17:56:08,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40542 conditions, 2157 events. 966/2157 cut-off events. For 345303/345955 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 17322 event pairs, 47 based on Foata normal form. 62/2183 useless extension candidates. Maximal degree in co-relation 40181. Up to 592 conditions per place. [2021-03-26 17:56:09,022 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:56:09,199 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:09,200 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:56:09,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 900 [2021-03-26 17:56:09,200 INFO L480 AbstractCegarLoop]: Abstraction has has 927 places, 1257 transitions, 35978 flow [2021-03-26 17:56:09,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:09,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:09,200 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] [2021-03-26 17:56:09,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-03-26 17:56:09,200 INFO L428 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:09,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:09,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1079005576, now seen corresponding path program 13 times [2021-03-26 17:56:09,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:09,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632427734] [2021-03-26 17:56:09,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:09,206 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:09,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:09,211 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:09,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:09,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:09,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:09,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:09,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:09,248 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:56:09,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:09,264 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:56:09,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:09,283 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:56:09,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:09,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:09,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:56:09,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:09,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:56:09,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:09,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:09,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632427734] [2021-03-26 17:56:09,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:09,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:56:09,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796021887] [2021-03-26 17:56:09,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:56:09,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:09,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:56:09,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:56:09,327 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 165 [2021-03-26 17:56:09,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 927 places, 1257 transitions, 35978 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:09,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:09,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 165 [2021-03-26 17:56:09,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:11,411 INFO L129 PetriNetUnfolder]: 1218/2538 cut-off events. [2021-03-26 17:56:11,411 INFO L130 PetriNetUnfolder]: For 418778/418806 co-relation queries the response was YES. [2021-03-26 17:56:11,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51107 conditions, 2538 events. 1218/2538 cut-off events. For 418778/418806 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 19525 event pairs, 167 based on Foata normal form. 26/2563 useless extension candidates. Maximal degree in co-relation 50744. Up to 2139 conditions per place. [2021-03-26 17:56:11,480 INFO L132 encePairwiseOnDemand]: 135/165 looper letters, 1023 selfloop transitions, 239 changer transitions 19/1289 dead transitions. [2021-03-26 17:56:11,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 1289 transitions, 39994 flow [2021-03-26 17:56:11,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 17:56:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 17:56:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 730 transitions. [2021-03-26 17:56:11,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19235836627140976 [2021-03-26 17:56:11,482 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 730 transitions. [2021-03-26 17:56:11,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 730 transitions. [2021-03-26 17:56:11,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:11,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 730 transitions. [2021-03-26 17:56:11,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 31.73913043478261) internal successors, (730), 23 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:11,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 165.0) internal successors, (3960), 24 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:11,484 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 165.0) internal successors, (3960), 24 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:11,484 INFO L185 Difference]: Start difference. First operand has 927 places, 1257 transitions, 35978 flow. Second operand 23 states and 730 transitions. [2021-03-26 17:56:11,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 1289 transitions, 39994 flow [2021-03-26 17:56:14,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 1289 transitions, 39857 flow, removed 12 selfloop flow, removed 11 redundant places. [2021-03-26 17:56:14,441 INFO L241 Difference]: Finished difference. Result has 944 places, 1256 transitions, 36400 flow [2021-03-26 17:56:14,441 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=35841, PETRI_DIFFERENCE_MINUEND_PLACES=916, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1020, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=36400, PETRI_PLACES=944, PETRI_TRANSITIONS=1256} [2021-03-26 17:56:14,442 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 905 predicate places. [2021-03-26 17:56:14,442 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:14,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 944 places, 1256 transitions, 36400 flow [2021-03-26 17:56:14,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 944 places, 1256 transitions, 36400 flow [2021-03-26 17:56:14,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 937 places, 1256 transitions, 36400 flow [2021-03-26 17:56:15,106 INFO L129 PetriNetUnfolder]: 961/2156 cut-off events. [2021-03-26 17:56:15,106 INFO L130 PetriNetUnfolder]: For 361294/361815 co-relation queries the response was YES. [2021-03-26 17:56:15,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40871 conditions, 2156 events. 961/2156 cut-off events. For 361294/361815 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 17425 event pairs, 48 based on Foata normal form. 62/2181 useless extension candidates. Maximal degree in co-relation 40499. Up to 584 conditions per place. [2021-03-26 17:56:15,193 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:56:15,669 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:15,669 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 17:56:15,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1227 [2021-03-26 17:56:15,669 INFO L480 AbstractCegarLoop]: Abstraction has has 937 places, 1256 transitions, 36468 flow [2021-03-26 17:56:15,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:15,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:15,669 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] [2021-03-26 17:56:15,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-03-26 17:56:15,669 INFO L428 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:15,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:15,670 INFO L82 PathProgramCache]: Analyzing trace with hash -546617264, now seen corresponding path program 14 times [2021-03-26 17:56:15,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:15,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597830473] [2021-03-26 17:56:15,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:15,676 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:15,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:15,681 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:15,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:15,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:15,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:15,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:15,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:15,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:15,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:15,729 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:56:15,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:15,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:15,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:56:15,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:15,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:56:15,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:15,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:56:15,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:15,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:15,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597830473] [2021-03-26 17:56:15,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:15,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:56:15,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003070407] [2021-03-26 17:56:15,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:56:15,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:15,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:56:15,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:56:15,778 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-26 17:56:15,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 1256 transitions, 36468 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:15,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:15,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-26 17:56:15,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:17,930 INFO L129 PetriNetUnfolder]: 1212/2525 cut-off events. [2021-03-26 17:56:17,931 INFO L130 PetriNetUnfolder]: For 427389/427410 co-relation queries the response was YES. [2021-03-26 17:56:17,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51330 conditions, 2525 events. 1212/2525 cut-off events. For 427389/427410 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 19386 event pairs, 150 based on Foata normal form. 19/2543 useless extension candidates. Maximal degree in co-relation 50953. Up to 2026 conditions per place. [2021-03-26 17:56:18,003 INFO L132 encePairwiseOnDemand]: 132/167 looper letters, 893 selfloop transitions, 365 changer transitions 9/1275 dead transitions. [2021-03-26 17:56:18,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 1275 transitions, 39675 flow [2021-03-26 17:56:18,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:56:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:56:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 542 transitions. [2021-03-26 17:56:18,005 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2028443113772455 [2021-03-26 17:56:18,005 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 542 transitions. [2021-03-26 17:56:18,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 542 transitions. [2021-03-26 17:56:18,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:18,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 542 transitions. [2021-03-26 17:56:18,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.875) internal successors, (542), 16 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:18,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 167.0) internal successors, (2839), 17 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:18,006 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 167.0) internal successors, (2839), 17 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:18,006 INFO L185 Difference]: Start difference. First operand has 937 places, 1256 transitions, 36468 flow. Second operand 16 states and 542 transitions. [2021-03-26 17:56:18,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 952 places, 1275 transitions, 39675 flow [2021-03-26 17:56:20,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 1275 transitions, 39017 flow, removed 105 selfloop flow, removed 18 redundant places. [2021-03-26 17:56:20,862 INFO L241 Difference]: Finished difference. Result has 937 places, 1256 transitions, 36814 flow [2021-03-26 17:56:20,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=35813, PETRI_DIFFERENCE_MINUEND_PLACES=919, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=362, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=893, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=36814, PETRI_PLACES=937, PETRI_TRANSITIONS=1256} [2021-03-26 17:56:20,862 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 898 predicate places. [2021-03-26 17:56:20,862 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:20,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 937 places, 1256 transitions, 36814 flow [2021-03-26 17:56:20,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 937 places, 1256 transitions, 36814 flow [2021-03-26 17:56:20,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 934 places, 1256 transitions, 36814 flow [2021-03-26 17:56:21,489 INFO L129 PetriNetUnfolder]: 967/2155 cut-off events. [2021-03-26 17:56:21,489 INFO L130 PetriNetUnfolder]: For 353839/354402 co-relation queries the response was YES. [2021-03-26 17:56:21,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41515 conditions, 2155 events. 967/2155 cut-off events. For 353839/354402 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17264 event pairs, 50 based on Foata normal form. 59/2172 useless extension candidates. Maximal degree in co-relation 41137. Up to 593 conditions per place. [2021-03-26 17:56:21,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-26 17:56:21,748 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:21,748 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:56:21,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 886 [2021-03-26 17:56:21,748 INFO L480 AbstractCegarLoop]: Abstraction has has 934 places, 1256 transitions, 36814 flow [2021-03-26 17:56:21,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:21,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:21,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:56:21,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-26 17:56:21,749 INFO L428 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:21,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:21,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1211229423, now seen corresponding path program 1 times [2021-03-26 17:56:21,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:21,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119085833] [2021-03-26 17:56:21,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:21,755 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:21,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:21,759 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:21,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:21,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:21,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:21,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:21,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:21,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:21,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:21,795 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:56:21,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:21,811 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:56:21,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:21,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:21,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:56:21,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:21,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:56:21,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:21,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:21,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119085833] [2021-03-26 17:56:21,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:21,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:56:21,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32230198] [2021-03-26 17:56:21,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:56:21,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:21,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:56:21,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:56:21,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 167 [2021-03-26 17:56:21,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 1256 transitions, 36814 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:21,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:21,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 167 [2021-03-26 17:56:21,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:23,929 INFO L129 PetriNetUnfolder]: 1211/2511 cut-off events. [2021-03-26 17:56:23,929 INFO L130 PetriNetUnfolder]: For 429477/429492 co-relation queries the response was YES. [2021-03-26 17:56:23,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51640 conditions, 2511 events. 1211/2511 cut-off events. For 429477/429492 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 19234 event pairs, 165 based on Foata normal form. 10/2519 useless extension candidates. Maximal degree in co-relation 51259. Up to 1982 conditions per place. [2021-03-26 17:56:23,997 INFO L132 encePairwiseOnDemand]: 131/167 looper letters, 875 selfloop transitions, 390 changer transitions 7/1280 dead transitions. [2021-03-26 17:56:23,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 951 places, 1280 transitions, 40682 flow [2021-03-26 17:56:23,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:56:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:56:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 604 transitions. [2021-03-26 17:56:23,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20093147039254824 [2021-03-26 17:56:23,998 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 604 transitions. [2021-03-26 17:56:23,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 604 transitions. [2021-03-26 17:56:23,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:23,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 604 transitions. [2021-03-26 17:56:23,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.55555555555556) internal successors, (604), 18 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) [2021-03-26 17:56:24,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 167.0) internal successors, (3173), 19 states have internal predecessors, (3173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:24,000 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 167.0) internal successors, (3173), 19 states have internal predecessors, (3173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:24,000 INFO L185 Difference]: Start difference. First operand has 934 places, 1256 transitions, 36814 flow. Second operand 18 states and 604 transitions. [2021-03-26 17:56:24,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 951 places, 1280 transitions, 40682 flow [2021-03-26 17:56:26,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 1280 transitions, 39791 flow, removed 56 selfloop flow, removed 14 redundant places. [2021-03-26 17:56:26,826 INFO L241 Difference]: Finished difference. Result has 939 places, 1260 transitions, 37428 flow [2021-03-26 17:56:26,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=35929, PETRI_DIFFERENCE_MINUEND_PLACES=920, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=873, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=37428, PETRI_PLACES=939, PETRI_TRANSITIONS=1260} [2021-03-26 17:56:26,827 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 900 predicate places. [2021-03-26 17:56:26,827 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:26,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 939 places, 1260 transitions, 37428 flow [2021-03-26 17:56:26,827 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 939 places, 1260 transitions, 37428 flow [2021-03-26 17:56:26,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 935 places, 1260 transitions, 37428 flow [2021-03-26 17:56:27,469 INFO L129 PetriNetUnfolder]: 962/2147 cut-off events. [2021-03-26 17:56:27,469 INFO L130 PetriNetUnfolder]: For 365964/366699 co-relation queries the response was YES. [2021-03-26 17:56:27,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41533 conditions, 2147 events. 962/2147 cut-off events. For 365964/366699 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 17329 event pairs, 49 based on Foata normal form. 55/2168 useless extension candidates. Maximal degree in co-relation 41155. Up to 588 conditions per place. [2021-03-26 17:56:27,553 INFO L142 LiptonReduction]: Number of co-enabled transitions 944 [2021-03-26 17:56:28,008 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:28,008 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:56:28,008 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1181 [2021-03-26 17:56:28,008 INFO L480 AbstractCegarLoop]: Abstraction has has 935 places, 1260 transitions, 37446 flow [2021-03-26 17:56:28,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:28,009 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:28,009 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:56:28,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-26 17:56:28,009 INFO L428 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:28,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:28,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1474540229, now seen corresponding path program 1 times [2021-03-26 17:56:28,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:28,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955520448] [2021-03-26 17:56:28,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:28,015 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:28,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:28,020 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:28,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:28,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:28,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:28,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:28,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:28,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:28,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:28,057 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:56:28,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:28,072 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:56:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:28,090 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:56:28,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:28,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:56:28,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:28,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:28,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955520448] [2021-03-26 17:56:28,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:28,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:56:28,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268803837] [2021-03-26 17:56:28,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:56:28,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:28,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:56:28,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:56:28,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 168 [2021-03-26 17:56:28,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 1260 transitions, 37446 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:28,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:28,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 168 [2021-03-26 17:56:28,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:30,199 INFO L129 PetriNetUnfolder]: 1222/2526 cut-off events. [2021-03-26 17:56:30,199 INFO L130 PetriNetUnfolder]: For 432163/432167 co-relation queries the response was YES. [2021-03-26 17:56:30,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52093 conditions, 2526 events. 1222/2526 cut-off events. For 432163/432167 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 19306 event pairs, 167 based on Foata normal form. 5/2529 useless extension candidates. Maximal degree in co-relation 51712. Up to 2232 conditions per place. [2021-03-26 17:56:30,264 INFO L132 encePairwiseOnDemand]: 143/168 looper letters, 1135 selfloop transitions, 142 changer transitions 3/1288 dead transitions. [2021-03-26 17:56:30,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 1288 transitions, 41104 flow [2021-03-26 17:56:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:56:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:56:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 484 transitions. [2021-03-26 17:56:30,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20578231292517007 [2021-03-26 17:56:30,265 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 484 transitions. [2021-03-26 17:56:30,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 484 transitions. [2021-03-26 17:56:30,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:30,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 484 transitions. [2021-03-26 17:56:30,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.57142857142857) internal successors, (484), 14 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:30,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 168.0) internal successors, (2520), 15 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:30,267 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 168.0) internal successors, (2520), 15 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:30,267 INFO L185 Difference]: Start difference. First operand has 935 places, 1260 transitions, 37446 flow. Second operand 14 states and 484 transitions. [2021-03-26 17:56:30,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 1288 transitions, 41104 flow [2021-03-26 17:56:33,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 1288 transitions, 39767 flow, removed 416 selfloop flow, removed 13 redundant places. [2021-03-26 17:56:33,295 INFO L241 Difference]: Finished difference. Result has 938 places, 1264 transitions, 36786 flow [2021-03-26 17:56:33,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=36227, PETRI_DIFFERENCE_MINUEND_PLACES=922, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=36786, PETRI_PLACES=938, PETRI_TRANSITIONS=1264} [2021-03-26 17:56:33,295 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 899 predicate places. [2021-03-26 17:56:33,295 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:33,295 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 938 places, 1264 transitions, 36786 flow [2021-03-26 17:56:33,296 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 938 places, 1264 transitions, 36786 flow [2021-03-26 17:56:33,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 936 places, 1264 transitions, 36786 flow [2021-03-26 17:56:33,928 INFO L129 PetriNetUnfolder]: 975/2166 cut-off events. [2021-03-26 17:56:33,928 INFO L130 PetriNetUnfolder]: For 342569/343232 co-relation queries the response was YES. [2021-03-26 17:56:33,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41377 conditions, 2166 events. 975/2166 cut-off events. For 342569/343232 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 17491 event pairs, 41 based on Foata normal form. 55/2189 useless extension candidates. Maximal degree in co-relation 40997. Up to 576 conditions per place. [2021-03-26 17:56:34,010 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:56:34,461 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:34,461 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:56:34,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1166 [2021-03-26 17:56:34,462 INFO L480 AbstractCegarLoop]: Abstraction has has 936 places, 1264 transitions, 36793 flow [2021-03-26 17:56:34,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:34,462 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:34,462 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:56:34,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-03-26 17:56:34,462 INFO L428 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:34,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:34,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1387499895, now seen corresponding path program 1 times [2021-03-26 17:56:34,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:34,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462085160] [2021-03-26 17:56:34,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:34,468 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:34,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:34,473 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:34,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:34,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:34,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:34,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:34,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:34,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:34,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:56:34,519 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-26 17:56:34,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:34,538 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-26 17:56:34,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:34,557 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-26 17:56:34,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:56:34,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:34,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:34,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462085160] [2021-03-26 17:56:34,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:34,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:56:34,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751329952] [2021-03-26 17:56:34,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:56:34,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:34,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:56:34,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:56:34,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:56:34,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 1264 transitions, 36793 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:34,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:34,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:56:34,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:36,694 INFO L129 PetriNetUnfolder]: 1223/2530 cut-off events. [2021-03-26 17:56:36,695 INFO L130 PetriNetUnfolder]: For 413742/413763 co-relation queries the response was YES. [2021-03-26 17:56:36,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51578 conditions, 2530 events. 1223/2530 cut-off events. For 413742/413763 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 19345 event pairs, 161 based on Foata normal form. 15/2543 useless extension candidates. Maximal degree in co-relation 51195. Up to 2236 conditions per place. [2021-03-26 17:56:36,762 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1141 selfloop transitions, 138 changer transitions 2/1289 dead transitions. [2021-03-26 17:56:36,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 1289 transitions, 40560 flow [2021-03-26 17:56:36,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:56:36,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:56:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 481 transitions. [2021-03-26 17:56:36,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2032967032967033 [2021-03-26 17:56:36,763 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 481 transitions. [2021-03-26 17:56:36,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 481 transitions. [2021-03-26 17:56:36,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:36,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 481 transitions. [2021-03-26 17:56:36,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 34.357142857142854) internal successors, (481), 14 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:36,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:36,765 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:36,765 INFO L185 Difference]: Start difference. First operand has 936 places, 1264 transitions, 36793 flow. Second operand 14 states and 481 transitions. [2021-03-26 17:56:36,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 1289 transitions, 40560 flow [2021-03-26 17:56:39,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 1289 transitions, 40260 flow, removed 41 selfloop flow, removed 11 redundant places. [2021-03-26 17:56:39,465 INFO L241 Difference]: Finished difference. Result has 941 places, 1267 transitions, 37131 flow [2021-03-26 17:56:39,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=36509, PETRI_DIFFERENCE_MINUEND_PLACES=925, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=37131, PETRI_PLACES=941, PETRI_TRANSITIONS=1267} [2021-03-26 17:56:39,465 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 902 predicate places. [2021-03-26 17:56:39,465 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:39,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 941 places, 1267 transitions, 37131 flow [2021-03-26 17:56:39,466 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 941 places, 1267 transitions, 37131 flow [2021-03-26 17:56:39,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 940 places, 1267 transitions, 37131 flow [2021-03-26 17:56:40,101 INFO L129 PetriNetUnfolder]: 977/2172 cut-off events. [2021-03-26 17:56:40,101 INFO L130 PetriNetUnfolder]: For 356292/356787 co-relation queries the response was YES. [2021-03-26 17:56:40,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41638 conditions, 2172 events. 977/2172 cut-off events. For 356292/356787 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 17422 event pairs, 35 based on Foata normal form. 57/2198 useless extension candidates. Maximal degree in co-relation 41259. Up to 580 conditions per place. [2021-03-26 17:56:40,186 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:56:40,359 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:40,359 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:56:40,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 894 [2021-03-26 17:56:40,359 INFO L480 AbstractCegarLoop]: Abstraction has has 940 places, 1267 transitions, 37131 flow [2021-03-26 17:56:40,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:40,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:40,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:56:40,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-03-26 17:56:40,359 INFO L428 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:40,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:40,360 INFO L82 PathProgramCache]: Analyzing trace with hash 304335203, now seen corresponding path program 1 times [2021-03-26 17:56:40,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:40,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697262668] [2021-03-26 17:56:40,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:40,365 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:40,370 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:40,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:40,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:40,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:40,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:40,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:40,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:40,420 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:56:40,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:56:40,449 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:56:40,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:56:40,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:56:40,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:56:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:56:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:40,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697262668] [2021-03-26 17:56:40,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:40,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:56:40,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391133445] [2021-03-26 17:56:40,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:56:40,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:40,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:56:40,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:56:40,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:56:40,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 940 places, 1267 transitions, 37131 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:40,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:40,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:56:40,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:42,644 INFO L129 PetriNetUnfolder]: 1226/2537 cut-off events. [2021-03-26 17:56:42,644 INFO L130 PetriNetUnfolder]: For 417705/417726 co-relation queries the response was YES. [2021-03-26 17:56:42,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51750 conditions, 2537 events. 1226/2537 cut-off events. For 417705/417726 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 19440 event pairs, 182 based on Foata normal form. 12/2546 useless extension candidates. Maximal degree in co-relation 51368. Up to 2283 conditions per place. [2021-03-26 17:56:42,706 INFO L132 encePairwiseOnDemand]: 144/169 looper letters, 1128 selfloop transitions, 144 changer transitions 3/1283 dead transitions. [2021-03-26 17:56:42,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 1283 transitions, 40234 flow [2021-03-26 17:56:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:56:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:56:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 494 transitions. [2021-03-26 17:56:42,708 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19487179487179487 [2021-03-26 17:56:42,708 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 494 transitions. [2021-03-26 17:56:42,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 494 transitions. [2021-03-26 17:56:42,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:42,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 494 transitions. [2021-03-26 17:56:42,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 32.93333333333333) internal successors, (494), 15 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:42,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:42,709 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:42,709 INFO L185 Difference]: Start difference. First operand has 940 places, 1267 transitions, 37131 flow. Second operand 15 states and 494 transitions. [2021-03-26 17:56:42,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 1283 transitions, 40234 flow [2021-03-26 17:56:45,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 945 places, 1283 transitions, 39704 flow, removed 129 selfloop flow, removed 9 redundant places. [2021-03-26 17:56:45,464 INFO L241 Difference]: Finished difference. Result has 952 places, 1273 transitions, 37072 flow [2021-03-26 17:56:45,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=36601, PETRI_DIFFERENCE_MINUEND_PLACES=931, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=37072, PETRI_PLACES=952, PETRI_TRANSITIONS=1273} [2021-03-26 17:56:45,464 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 913 predicate places. [2021-03-26 17:56:45,464 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:45,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 952 places, 1273 transitions, 37072 flow [2021-03-26 17:56:45,464 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 952 places, 1273 transitions, 37072 flow [2021-03-26 17:56:45,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 949 places, 1273 transitions, 37072 flow [2021-03-26 17:56:46,107 INFO L129 PetriNetUnfolder]: 976/2173 cut-off events. [2021-03-26 17:56:46,107 INFO L130 PetriNetUnfolder]: For 357123/357543 co-relation queries the response was YES. [2021-03-26 17:56:46,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41622 conditions, 2173 events. 976/2173 cut-off events. For 357123/357543 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 17589 event pairs, 44 based on Foata normal form. 63/2207 useless extension candidates. Maximal degree in co-relation 41247. Up to 578 conditions per place. [2021-03-26 17:56:46,192 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-26 17:56:46,373 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:46,373 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:56:46,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 909 [2021-03-26 17:56:46,373 INFO L480 AbstractCegarLoop]: Abstraction has has 949 places, 1273 transitions, 37072 flow [2021-03-26 17:56:46,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:46,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:46,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:56:46,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-03-26 17:56:46,374 INFO L428 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:46,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:46,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2053350039, now seen corresponding path program 2 times [2021-03-26 17:56:46,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:46,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456470453] [2021-03-26 17:56:46,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:46,379 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:46,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:46,384 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:46,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:46,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:46,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:46,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:46,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:46,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:46,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:56:46,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:46,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:56:46,434 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-26 17:56:46,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:46,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:46,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:56:46,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:46,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:46,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:46,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:46,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456470453] [2021-03-26 17:56:46,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:46,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:56:46,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924744204] [2021-03-26 17:56:46,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:56:46,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:46,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:56:46,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:56:46,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:56:46,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 1273 transitions, 37072 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:46,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:46,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:56:46,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:48,483 INFO L129 PetriNetUnfolder]: 1227/2546 cut-off events. [2021-03-26 17:56:48,483 INFO L130 PetriNetUnfolder]: For 432505/432526 co-relation queries the response was YES. [2021-03-26 17:56:48,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52236 conditions, 2546 events. 1227/2546 cut-off events. For 432505/432526 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 19561 event pairs, 194 based on Foata normal form. 12/2555 useless extension candidates. Maximal degree in co-relation 51857. Up to 2276 conditions per place. [2021-03-26 17:56:48,683 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1147 selfloop transitions, 140 changer transitions 3/1298 dead transitions. [2021-03-26 17:56:48,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 1298 transitions, 40724 flow [2021-03-26 17:56:48,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:56:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:56:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 529 transitions. [2021-03-26 17:56:48,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19563609467455623 [2021-03-26 17:56:48,684 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 529 transitions. [2021-03-26 17:56:48,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 529 transitions. [2021-03-26 17:56:48,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:48,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 529 transitions. [2021-03-26 17:56:48,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 33.0625) internal successors, (529), 16 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:48,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 169.0) internal successors, (2873), 17 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:48,686 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 169.0) internal successors, (2873), 17 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:48,686 INFO L185 Difference]: Start difference. First operand has 949 places, 1273 transitions, 37072 flow. Second operand 16 states and 529 transitions. [2021-03-26 17:56:48,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 1298 transitions, 40724 flow [2021-03-26 17:56:51,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 1298 transitions, 40582 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-26 17:56:51,508 INFO L241 Difference]: Finished difference. Result has 960 places, 1280 transitions, 37698 flow [2021-03-26 17:56:51,508 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=36936, PETRI_DIFFERENCE_MINUEND_PLACES=942, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=37698, PETRI_PLACES=960, PETRI_TRANSITIONS=1280} [2021-03-26 17:56:51,508 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 921 predicate places. [2021-03-26 17:56:51,508 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:51,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 960 places, 1280 transitions, 37698 flow [2021-03-26 17:56:51,509 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 960 places, 1280 transitions, 37698 flow [2021-03-26 17:56:51,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 959 places, 1280 transitions, 37698 flow [2021-03-26 17:56:52,147 INFO L129 PetriNetUnfolder]: 971/2175 cut-off events. [2021-03-26 17:56:52,147 INFO L130 PetriNetUnfolder]: For 369651/370003 co-relation queries the response was YES. [2021-03-26 17:56:52,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42074 conditions, 2175 events. 971/2175 cut-off events. For 369651/370003 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 17563 event pairs, 41 based on Foata normal form. 31/2165 useless extension candidates. Maximal degree in co-relation 41699. Up to 584 conditions per place. [2021-03-26 17:56:52,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-26 17:56:52,406 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:52,407 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:56:52,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 899 [2021-03-26 17:56:52,407 INFO L480 AbstractCegarLoop]: Abstraction has has 959 places, 1280 transitions, 37698 flow [2021-03-26 17:56:52,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:52,407 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:52,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:56:52,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-03-26 17:56:52,407 INFO L428 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:52,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:52,407 INFO L82 PathProgramCache]: Analyzing trace with hash 651673295, now seen corresponding path program 2 times [2021-03-26 17:56:52,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:52,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332000398] [2021-03-26 17:56:52,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:52,413 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:52,418 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:52,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:52,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:52,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:52,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:52,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:52,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:52,467 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:56:52,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:56:52,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:52,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:52,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:52,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:56:52,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:56:52,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:56:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:52,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332000398] [2021-03-26 17:56:52,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:52,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:56:52,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955805606] [2021-03-26 17:56:52,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:56:52,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:52,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:56:52,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:56:52,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:56:52,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 1280 transitions, 37698 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:52,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:52,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:56:52,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:56:54,519 INFO L129 PetriNetUnfolder]: 1226/2544 cut-off events. [2021-03-26 17:56:54,519 INFO L130 PetriNetUnfolder]: For 442712/442733 co-relation queries the response was YES. [2021-03-26 17:56:54,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52523 conditions, 2544 events. 1226/2544 cut-off events. For 442712/442733 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 19480 event pairs, 192 based on Foata normal form. 12/2553 useless extension candidates. Maximal degree in co-relation 52144. Up to 2253 conditions per place. [2021-03-26 17:56:54,595 INFO L132 encePairwiseOnDemand]: 142/169 looper letters, 1082 selfloop transitions, 194 changer transitions 5/1289 dead transitions. [2021-03-26 17:56:54,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 973 places, 1289 transitions, 40747 flow [2021-03-26 17:56:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:56:54,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:56:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2021-03-26 17:56:54,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19644970414201182 [2021-03-26 17:56:54,597 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 498 transitions. [2021-03-26 17:56:54,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 498 transitions. [2021-03-26 17:56:54,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:56:54,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 498 transitions. [2021-03-26 17:56:54,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.2) internal successors, (498), 15 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:54,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:54,598 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:54,598 INFO L185 Difference]: Start difference. First operand has 959 places, 1280 transitions, 37698 flow. Second operand 15 states and 498 transitions. [2021-03-26 17:56:54,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 973 places, 1289 transitions, 40747 flow [2021-03-26 17:56:57,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 965 places, 1289 transitions, 40329 flow, removed 188 selfloop flow, removed 8 redundant places. [2021-03-26 17:56:57,666 INFO L241 Difference]: Finished difference. Result has 968 places, 1277 transitions, 37676 flow [2021-03-26 17:56:57,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37282, PETRI_DIFFERENCE_MINUEND_PLACES=951, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1086, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=37676, PETRI_PLACES=968, PETRI_TRANSITIONS=1277} [2021-03-26 17:56:57,666 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 929 predicate places. [2021-03-26 17:56:57,666 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:56:57,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 968 places, 1277 transitions, 37676 flow [2021-03-26 17:56:57,666 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 968 places, 1277 transitions, 37676 flow [2021-03-26 17:56:57,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 964 places, 1277 transitions, 37676 flow [2021-03-26 17:56:58,316 INFO L129 PetriNetUnfolder]: 973/2176 cut-off events. [2021-03-26 17:56:58,316 INFO L130 PetriNetUnfolder]: For 369969/370395 co-relation queries the response was YES. [2021-03-26 17:56:58,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42128 conditions, 2176 events. 973/2176 cut-off events. For 369969/370395 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 17670 event pairs, 46 based on Foata normal form. 53/2202 useless extension candidates. Maximal degree in co-relation 41750. Up to 577 conditions per place. [2021-03-26 17:56:58,401 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-26 17:56:58,579 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:56:58,579 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:56:58,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 913 [2021-03-26 17:56:58,580 INFO L480 AbstractCegarLoop]: Abstraction has has 964 places, 1277 transitions, 37676 flow [2021-03-26 17:56:58,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:58,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:56:58,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:56:58,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-26 17:56:58,580 INFO L428 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:56:58,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:56:58,580 INFO L82 PathProgramCache]: Analyzing trace with hash 990184173, now seen corresponding path program 3 times [2021-03-26 17:56:58,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:56:58,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436798150] [2021-03-26 17:56:58,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:56:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:56:58,599 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:56:58,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:56:58,605 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:56:58,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:56:58,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:58,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:58,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:58,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:56:58,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:58,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:56:58,648 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:56:58,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:56:58,677 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:56:58,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:56:58,721 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:56:58,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:56:58,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:56:58,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:56:58,779 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:56:58,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:56:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:56:58,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436798150] [2021-03-26 17:56:58,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:56:58,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:56:58,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879016680] [2021-03-26 17:56:58,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:56:58,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:56:58,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:56:58,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:56:58,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:56:58,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 964 places, 1277 transitions, 37676 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:56:58,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:56:58,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:56:58,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:00,728 INFO L129 PetriNetUnfolder]: 1226/2544 cut-off events. [2021-03-26 17:57:00,728 INFO L130 PetriNetUnfolder]: For 441959/441980 co-relation queries the response was YES. [2021-03-26 17:57:00,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52722 conditions, 2544 events. 1226/2544 cut-off events. For 441959/441980 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 19525 event pairs, 182 based on Foata normal form. 12/2553 useless extension candidates. Maximal degree in co-relation 52340. Up to 2332 conditions per place. [2021-03-26 17:57:00,802 INFO L132 encePairwiseOnDemand]: 145/169 looper letters, 1199 selfloop transitions, 75 changer transitions 7/1289 dead transitions. [2021-03-26 17:57:00,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 977 places, 1289 transitions, 40608 flow [2021-03-26 17:57:00,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:57:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:57:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 459 transitions. [2021-03-26 17:57:00,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19399830938292476 [2021-03-26 17:57:00,804 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 459 transitions. [2021-03-26 17:57:00,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 459 transitions. [2021-03-26 17:57:00,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:00,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 459 transitions. [2021-03-26 17:57:00,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.785714285714285) internal successors, (459), 14 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:00,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:00,805 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:00,805 INFO L185 Difference]: Start difference. First operand has 964 places, 1277 transitions, 37676 flow. Second operand 14 states and 459 transitions. [2021-03-26 17:57:00,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 977 places, 1289 transitions, 40608 flow [2021-03-26 17:57:03,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 962 places, 1289 transitions, 40117 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-26 17:57:03,866 INFO L241 Difference]: Finished difference. Result has 967 places, 1275 transitions, 37304 flow [2021-03-26 17:57:03,867 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37191, PETRI_DIFFERENCE_MINUEND_PLACES=949, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=37304, PETRI_PLACES=967, PETRI_TRANSITIONS=1275} [2021-03-26 17:57:03,867 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 928 predicate places. [2021-03-26 17:57:03,867 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:03,867 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 967 places, 1275 transitions, 37304 flow [2021-03-26 17:57:03,867 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 967 places, 1275 transitions, 37304 flow [2021-03-26 17:57:03,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 960 places, 1275 transitions, 37304 flow [2021-03-26 17:57:04,510 INFO L129 PetriNetUnfolder]: 972/2179 cut-off events. [2021-03-26 17:57:04,511 INFO L130 PetriNetUnfolder]: For 357073/357591 co-relation queries the response was YES. [2021-03-26 17:57:04,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41934 conditions, 2179 events. 972/2179 cut-off events. For 357073/357591 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 17731 event pairs, 41 based on Foata normal form. 52/2206 useless extension candidates. Maximal degree in co-relation 41559. Up to 576 conditions per place. [2021-03-26 17:57:04,597 INFO L142 LiptonReduction]: Number of co-enabled transitions 946 [2021-03-26 17:57:04,777 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:04,777 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:57:04,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 911 [2021-03-26 17:57:04,778 INFO L480 AbstractCegarLoop]: Abstraction has has 960 places, 1275 transitions, 37304 flow [2021-03-26 17:57:04,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:04,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:04,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:04,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-26 17:57:04,778 INFO L428 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:04,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:04,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1242050286, now seen corresponding path program 1 times [2021-03-26 17:57:04,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:04,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420509474] [2021-03-26 17:57:04,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:04,785 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:04,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:04,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:04,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:04,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:04,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:04,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:04,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:04,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:04,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:04,827 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:04,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:04,854 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:04,883 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:57:04,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:57:04,912 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-26 17:57:04,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 17:57:04,916 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:57:04,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:57:04,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:04,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420509474] [2021-03-26 17:57:04,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:04,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:57:04,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763980664] [2021-03-26 17:57:04,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:57:04,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:04,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:57:04,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:57:04,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:57:04,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 1275 transitions, 37304 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:04,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:04,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:57:04,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:06,827 INFO L129 PetriNetUnfolder]: 1233/2556 cut-off events. [2021-03-26 17:57:06,828 INFO L130 PetriNetUnfolder]: For 451213/451234 co-relation queries the response was YES. [2021-03-26 17:57:06,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53169 conditions, 2556 events. 1233/2556 cut-off events. For 451213/451234 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 19703 event pairs, 156 based on Foata normal form. 12/2565 useless extension candidates. Maximal degree in co-relation 52792. Up to 2347 conditions per place. [2021-03-26 17:57:06,905 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 1235 selfloop transitions, 53 changer transitions 6/1302 dead transitions. [2021-03-26 17:57:06,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 972 places, 1302 transitions, 41142 flow [2021-03-26 17:57:06,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:57:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:57:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 428 transitions. [2021-03-26 17:57:06,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1948111060537096 [2021-03-26 17:57:06,906 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 428 transitions. [2021-03-26 17:57:06,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 428 transitions. [2021-03-26 17:57:06,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:06,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 428 transitions. [2021-03-26 17:57:06,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.92307692307692) internal successors, (428), 13 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:06,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 169.0) internal successors, (2366), 14 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:06,908 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 169.0) internal successors, (2366), 14 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:06,908 INFO L185 Difference]: Start difference. First operand has 960 places, 1275 transitions, 37304 flow. Second operand 13 states and 428 transitions. [2021-03-26 17:57:06,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 972 places, 1302 transitions, 41142 flow [2021-03-26 17:57:09,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 1302 transitions, 40962 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-03-26 17:57:09,884 INFO L241 Difference]: Finished difference. Result has 964 places, 1284 transitions, 37846 flow [2021-03-26 17:57:09,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37129, PETRI_DIFFERENCE_MINUEND_PLACES=947, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=37846, PETRI_PLACES=964, PETRI_TRANSITIONS=1284} [2021-03-26 17:57:09,884 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 925 predicate places. [2021-03-26 17:57:09,884 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:09,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 964 places, 1284 transitions, 37846 flow [2021-03-26 17:57:09,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 964 places, 1284 transitions, 37846 flow [2021-03-26 17:57:09,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 963 places, 1284 transitions, 37846 flow [2021-03-26 17:57:10,535 INFO L129 PetriNetUnfolder]: 972/2170 cut-off events. [2021-03-26 17:57:10,535 INFO L130 PetriNetUnfolder]: For 368825/369253 co-relation queries the response was YES. [2021-03-26 17:57:10,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42185 conditions, 2170 events. 972/2170 cut-off events. For 368825/369253 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 17604 event pairs, 45 based on Foata normal form. 30/2160 useless extension candidates. Maximal degree in co-relation 41796. Up to 583 conditions per place. [2021-03-26 17:57:10,622 INFO L142 LiptonReduction]: Number of co-enabled transitions 948 [2021-03-26 17:57:10,797 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:10,797 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:57:10,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 913 [2021-03-26 17:57:10,797 INFO L480 AbstractCegarLoop]: Abstraction has has 963 places, 1284 transitions, 37846 flow [2021-03-26 17:57:10,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:10,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:10,798 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:10,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-03-26 17:57:10,798 INFO L428 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:10,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:10,798 INFO L82 PathProgramCache]: Analyzing trace with hash -778177755, now seen corresponding path program 1 times [2021-03-26 17:57:10,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:10,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750621301] [2021-03-26 17:57:10,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:10,805 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:10,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:10,810 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:10,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:10,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:10,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:10,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:10,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:10,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:10,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:10,847 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:57:10,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:57:10,852 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:10,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:10,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:10,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:10,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:10,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:57:10,912 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:57:10,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:57:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:10,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750621301] [2021-03-26 17:57:10,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:10,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:57:10,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427202133] [2021-03-26 17:57:10,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:57:10,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:10,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:57:10,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:57:10,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:57:10,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 963 places, 1284 transitions, 37846 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:10,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:10,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:57:10,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:12,867 INFO L129 PetriNetUnfolder]: 1245/2577 cut-off events. [2021-03-26 17:57:12,867 INFO L130 PetriNetUnfolder]: For 465435/465456 co-relation queries the response was YES. [2021-03-26 17:57:12,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53718 conditions, 2577 events. 1245/2577 cut-off events. For 465435/465456 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 19798 event pairs, 169 based on Foata normal form. 15/2590 useless extension candidates. Maximal degree in co-relation 53326. Up to 2343 conditions per place. [2021-03-26 17:57:12,943 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 1235 selfloop transitions, 64 changer transitions 3/1310 dead transitions. [2021-03-26 17:57:12,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 974 places, 1310 transitions, 41462 flow [2021-03-26 17:57:12,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 17:57:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 17:57:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 413 transitions. [2021-03-26 17:57:12,944 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20364891518737674 [2021-03-26 17:57:12,944 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 413 transitions. [2021-03-26 17:57:12,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 413 transitions. [2021-03-26 17:57:12,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:12,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 413 transitions. [2021-03-26 17:57:12,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 34.416666666666664) internal successors, (413), 12 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:12,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 169.0) internal successors, (2197), 13 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:12,945 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 169.0) internal successors, (2197), 13 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:12,945 INFO L185 Difference]: Start difference. First operand has 963 places, 1284 transitions, 37846 flow. Second operand 12 states and 413 transitions. [2021-03-26 17:57:12,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 974 places, 1310 transitions, 41462 flow [2021-03-26 17:57:16,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 1310 transitions, 40964 flow, removed 191 selfloop flow, removed 10 redundant places. [2021-03-26 17:57:16,134 INFO L241 Difference]: Finished difference. Result has 969 places, 1296 transitions, 38070 flow [2021-03-26 17:57:16,134 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37358, PETRI_DIFFERENCE_MINUEND_PLACES=953, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=38070, PETRI_PLACES=969, PETRI_TRANSITIONS=1296} [2021-03-26 17:57:16,134 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 930 predicate places. [2021-03-26 17:57:16,134 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:16,134 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 969 places, 1296 transitions, 38070 flow [2021-03-26 17:57:16,134 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 969 places, 1296 transitions, 38070 flow [2021-03-26 17:57:16,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 967 places, 1296 transitions, 38070 flow [2021-03-26 17:57:16,797 INFO L129 PetriNetUnfolder]: 982/2188 cut-off events. [2021-03-26 17:57:16,797 INFO L130 PetriNetUnfolder]: For 380253/380753 co-relation queries the response was YES. [2021-03-26 17:57:16,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42581 conditions, 2188 events. 982/2188 cut-off events. For 380253/380753 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 17674 event pairs, 46 based on Foata normal form. 32/2178 useless extension candidates. Maximal degree in co-relation 42200. Up to 595 conditions per place. [2021-03-26 17:57:16,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-26 17:57:17,070 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:17,070 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:57:17,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 936 [2021-03-26 17:57:17,071 INFO L480 AbstractCegarLoop]: Abstraction has has 967 places, 1296 transitions, 38070 flow [2021-03-26 17:57:17,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:17,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:17,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:17,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-03-26 17:57:17,071 INFO L428 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:17,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1687577921, now seen corresponding path program 3 times [2021-03-26 17:57:17,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:17,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855881698] [2021-03-26 17:57:17,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:17,091 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:17,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:17,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:17,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:17,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:17,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:17,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:17,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:57:17,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:17,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:57:17,161 INFO L142 QuantifierPusher]: treesize reduction 32, result has 39.6 percent of original size [2021-03-26 17:57:17,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:17,185 INFO L142 QuantifierPusher]: treesize reduction 32, result has 37.3 percent of original size [2021-03-26 17:57:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:57:17,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:17,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:17,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:17,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:17,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855881698] [2021-03-26 17:57:17,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:17,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:57:17,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35115163] [2021-03-26 17:57:17,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:57:17,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:17,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:57:17,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:57:17,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:57:17,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 967 places, 1296 transitions, 38070 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:17,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:17,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:57:17,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:19,217 INFO L129 PetriNetUnfolder]: 1244/2574 cut-off events. [2021-03-26 17:57:19,217 INFO L130 PetriNetUnfolder]: For 458659/458663 co-relation queries the response was YES. [2021-03-26 17:57:19,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53604 conditions, 2574 events. 1244/2574 cut-off events. For 458659/458663 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 19753 event pairs, 192 based on Foata normal form. 5/2576 useless extension candidates. Maximal degree in co-relation 53219. Up to 2318 conditions per place. [2021-03-26 17:57:19,306 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1177 selfloop transitions, 122 changer transitions 4/1311 dead transitions. [2021-03-26 17:57:19,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 980 places, 1311 transitions, 41080 flow [2021-03-26 17:57:19,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:57:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:57:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 468 transitions. [2021-03-26 17:57:19,307 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1978021978021978 [2021-03-26 17:57:19,307 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 468 transitions. [2021-03-26 17:57:19,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 468 transitions. [2021-03-26 17:57:19,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:19,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 468 transitions. [2021-03-26 17:57:19,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.42857142857143) internal successors, (468), 14 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:19,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:19,309 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:19,309 INFO L185 Difference]: Start difference. First operand has 967 places, 1296 transitions, 38070 flow. Second operand 14 states and 468 transitions. [2021-03-26 17:57:19,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 980 places, 1311 transitions, 41080 flow [2021-03-26 17:57:22,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 975 places, 1311 transitions, 40933 flow, removed 59 selfloop flow, removed 5 redundant places. [2021-03-26 17:57:22,632 INFO L241 Difference]: Finished difference. Result has 977 places, 1293 transitions, 38131 flow [2021-03-26 17:57:22,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37923, PETRI_DIFFERENCE_MINUEND_PLACES=962, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=38131, PETRI_PLACES=977, PETRI_TRANSITIONS=1293} [2021-03-26 17:57:22,632 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 938 predicate places. [2021-03-26 17:57:22,632 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:22,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 977 places, 1293 transitions, 38131 flow [2021-03-26 17:57:22,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 977 places, 1293 transitions, 38131 flow [2021-03-26 17:57:22,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 971 places, 1293 transitions, 38131 flow [2021-03-26 17:57:23,284 INFO L129 PetriNetUnfolder]: 979/2181 cut-off events. [2021-03-26 17:57:23,284 INFO L130 PetriNetUnfolder]: For 379147/379556 co-relation queries the response was YES. [2021-03-26 17:57:23,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42687 conditions, 2181 events. 979/2181 cut-off events. For 379147/379556 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 17693 event pairs, 43 based on Foata normal form. 33/2171 useless extension candidates. Maximal degree in co-relation 42308. Up to 596 conditions per place. [2021-03-26 17:57:23,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-26 17:57:23,554 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:23,554 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:57:23,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 922 [2021-03-26 17:57:23,554 INFO L480 AbstractCegarLoop]: Abstraction has has 971 places, 1293 transitions, 38131 flow [2021-03-26 17:57:23,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:23,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:23,554 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:23,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-03-26 17:57:23,554 INFO L428 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:23,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:23,555 INFO L82 PathProgramCache]: Analyzing trace with hash -304001695, now seen corresponding path program 1 times [2021-03-26 17:57:23,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:23,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306679005] [2021-03-26 17:57:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:23,563 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:23,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:23,568 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:23,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:23,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:23,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:23,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:23,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:23,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:23,605 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:57:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:57:23,628 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:57:23,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:57:23,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:23,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:23,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:23,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:23,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:23,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:23,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306679005] [2021-03-26 17:57:23,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:23,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:57:23,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525666092] [2021-03-26 17:57:23,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:57:23,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:23,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:57:23,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:57:23,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:57:23,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 971 places, 1293 transitions, 38131 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:23,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:23,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:57:23,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:25,564 INFO L129 PetriNetUnfolder]: 1245/2578 cut-off events. [2021-03-26 17:57:25,565 INFO L130 PetriNetUnfolder]: For 458277/458298 co-relation queries the response was YES. [2021-03-26 17:57:25,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53813 conditions, 2578 events. 1245/2578 cut-off events. For 458277/458298 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 19827 event pairs, 191 based on Foata normal form. 12/2587 useless extension candidates. Maximal degree in co-relation 53432. Up to 2358 conditions per place. [2021-03-26 17:57:25,643 INFO L132 encePairwiseOnDemand]: 149/169 looper letters, 1247 selfloop transitions, 55 changer transitions 2/1312 dead transitions. [2021-03-26 17:57:25,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1312 transitions, 41563 flow [2021-03-26 17:57:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:57:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:57:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 455 transitions. [2021-03-26 17:57:25,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19230769230769232 [2021-03-26 17:57:25,645 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 455 transitions. [2021-03-26 17:57:25,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 455 transitions. [2021-03-26 17:57:25,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:25,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 455 transitions. [2021-03-26 17:57:25,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.5) internal successors, (455), 14 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:25,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:25,646 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:25,646 INFO L185 Difference]: Start difference. First operand has 971 places, 1293 transitions, 38131 flow. Second operand 14 states and 455 transitions. [2021-03-26 17:57:25,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1312 transitions, 41563 flow [2021-03-26 17:57:28,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 969 places, 1312 transitions, 41254 flow, removed 8 selfloop flow, removed 15 redundant places. [2021-03-26 17:57:28,820 INFO L241 Difference]: Finished difference. Result has 972 places, 1294 transitions, 38104 flow [2021-03-26 17:57:28,820 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37828, PETRI_DIFFERENCE_MINUEND_PLACES=956, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=38104, PETRI_PLACES=972, PETRI_TRANSITIONS=1294} [2021-03-26 17:57:28,820 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 933 predicate places. [2021-03-26 17:57:28,820 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:28,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 972 places, 1294 transitions, 38104 flow [2021-03-26 17:57:28,821 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 972 places, 1294 transitions, 38104 flow [2021-03-26 17:57:28,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 970 places, 1294 transitions, 38104 flow [2021-03-26 17:57:29,491 INFO L129 PetriNetUnfolder]: 987/2200 cut-off events. [2021-03-26 17:57:29,491 INFO L130 PetriNetUnfolder]: For 375805/376234 co-relation queries the response was YES. [2021-03-26 17:57:29,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42709 conditions, 2200 events. 987/2200 cut-off events. For 375805/376234 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 17945 event pairs, 42 based on Foata normal form. 38/2196 useless extension candidates. Maximal degree in co-relation 42330. Up to 600 conditions per place. [2021-03-26 17:57:29,588 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-26 17:57:29,776 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:29,777 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:57:29,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 957 [2021-03-26 17:57:29,777 INFO L480 AbstractCegarLoop]: Abstraction has has 970 places, 1294 transitions, 38104 flow [2021-03-26 17:57:29,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:29,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:29,777 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:29,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-03-26 17:57:29,777 INFO L428 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:29,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:29,777 INFO L82 PathProgramCache]: Analyzing trace with hash 660453770, now seen corresponding path program 2 times [2021-03-26 17:57:29,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:29,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935262972] [2021-03-26 17:57:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:29,783 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:29,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:29,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:29,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:29,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:29,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:29,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:29,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:29,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:29,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:29,825 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:29,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:29,852 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:29,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:29,881 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:57:29,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:57:29,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:29,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:57:29,923 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:57:29,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:57:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:29,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935262972] [2021-03-26 17:57:29,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:29,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:57:29,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384520740] [2021-03-26 17:57:29,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:57:29,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:29,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:57:29,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:57:29,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:57:29,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 970 places, 1294 transitions, 38104 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:29,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:29,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:57:29,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:31,852 INFO L129 PetriNetUnfolder]: 1244/2576 cut-off events. [2021-03-26 17:57:31,853 INFO L130 PetriNetUnfolder]: For 452808/452829 co-relation queries the response was YES. [2021-03-26 17:57:31,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53525 conditions, 2576 events. 1244/2576 cut-off events. For 452808/452829 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 19874 event pairs, 151 based on Foata normal form. 12/2585 useless extension candidates. Maximal degree in co-relation 53144. Up to 2366 conditions per place. [2021-03-26 17:57:31,934 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 1243 selfloop transitions, 52 changer transitions 3/1306 dead transitions. [2021-03-26 17:57:31,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1306 transitions, 41155 flow [2021-03-26 17:57:31,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:57:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:57:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 452 transitions. [2021-03-26 17:57:31,936 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19103972950126796 [2021-03-26 17:57:31,936 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 452 transitions. [2021-03-26 17:57:31,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 452 transitions. [2021-03-26 17:57:31,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:31,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 452 transitions. [2021-03-26 17:57:31,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.285714285714285) internal successors, (452), 14 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:31,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:31,937 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:31,937 INFO L185 Difference]: Start difference. First operand has 970 places, 1294 transitions, 38104 flow. Second operand 14 states and 452 transitions. [2021-03-26 17:57:31,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1306 transitions, 41155 flow [2021-03-26 17:57:35,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 973 places, 1306 transitions, 40923 flow, removed 69 selfloop flow, removed 10 redundant places. [2021-03-26 17:57:35,176 INFO L241 Difference]: Finished difference. Result has 975 places, 1292 transitions, 37932 flow [2021-03-26 17:57:35,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37872, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=37932, PETRI_PLACES=975, PETRI_TRANSITIONS=1292} [2021-03-26 17:57:35,177 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 936 predicate places. [2021-03-26 17:57:35,177 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:35,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 975 places, 1292 transitions, 37932 flow [2021-03-26 17:57:35,177 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 975 places, 1292 transitions, 37932 flow [2021-03-26 17:57:35,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 971 places, 1292 transitions, 37932 flow [2021-03-26 17:57:35,837 INFO L129 PetriNetUnfolder]: 985/2195 cut-off events. [2021-03-26 17:57:35,838 INFO L130 PetriNetUnfolder]: For 368637/369097 co-relation queries the response was YES. [2021-03-26 17:57:35,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42522 conditions, 2195 events. 985/2195 cut-off events. For 368637/369097 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17715 event pairs, 46 based on Foata normal form. 42/2198 useless extension candidates. Maximal degree in co-relation 42144. Up to 595 conditions per place. [2021-03-26 17:57:35,932 INFO L142 LiptonReduction]: Number of co-enabled transitions 968 [2021-03-26 17:57:36,121 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:36,121 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:57:36,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 945 [2021-03-26 17:57:36,122 INFO L480 AbstractCegarLoop]: Abstraction has has 971 places, 1292 transitions, 37932 flow [2021-03-26 17:57:36,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:36,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:36,122 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:36,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-03-26 17:57:36,122 INFO L428 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:36,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:36,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1196923714, now seen corresponding path program 3 times [2021-03-26 17:57:36,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:36,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019123940] [2021-03-26 17:57:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:36,128 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:36,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:36,133 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:36,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:36,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:36,159 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:57:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:57:36,186 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:36,214 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:36,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:36,242 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:57:36,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:57:36,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:36,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:57:36,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:57:36,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:57:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:36,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019123940] [2021-03-26 17:57:36,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:36,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:57:36,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044937561] [2021-03-26 17:57:36,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:57:36,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:36,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:57:36,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:57:36,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:57:36,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 971 places, 1292 transitions, 37932 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:36,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:36,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:57:36,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:38,434 INFO L129 PetriNetUnfolder]: 1243/2571 cut-off events. [2021-03-26 17:57:38,435 INFO L130 PetriNetUnfolder]: For 451772/451800 co-relation queries the response was YES. [2021-03-26 17:57:38,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53430 conditions, 2571 events. 1243/2571 cut-off events. For 451772/451800 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 19809 event pairs, 182 based on Foata normal form. 19/2587 useless extension candidates. Maximal degree in co-relation 53044. Up to 2264 conditions per place. [2021-03-26 17:57:38,514 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1129 selfloop transitions, 171 changer transitions 3/1311 dead transitions. [2021-03-26 17:57:38,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 988 places, 1311 transitions, 41232 flow [2021-03-26 17:57:38,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 17:57:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 17:57:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 597 transitions. [2021-03-26 17:57:38,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19625246548323472 [2021-03-26 17:57:38,515 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 597 transitions. [2021-03-26 17:57:38,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 597 transitions. [2021-03-26 17:57:38,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:38,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 597 transitions. [2021-03-26 17:57:38,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 33.166666666666664) internal successors, (597), 18 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:38,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 169.0) internal successors, (3211), 19 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:38,517 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 169.0) internal successors, (3211), 19 states have internal predecessors, (3211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:38,517 INFO L185 Difference]: Start difference. First operand has 971 places, 1292 transitions, 37932 flow. Second operand 18 states and 597 transitions. [2021-03-26 17:57:38,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 988 places, 1311 transitions, 41232 flow [2021-03-26 17:57:41,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 976 places, 1311 transitions, 41133 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-26 17:57:41,441 INFO L241 Difference]: Finished difference. Result has 979 places, 1291 transitions, 38184 flow [2021-03-26 17:57:41,441 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37835, PETRI_DIFFERENCE_MINUEND_PLACES=959, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=38184, PETRI_PLACES=979, PETRI_TRANSITIONS=1291} [2021-03-26 17:57:41,441 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 940 predicate places. [2021-03-26 17:57:41,441 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:41,441 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 979 places, 1291 transitions, 38184 flow [2021-03-26 17:57:41,441 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 979 places, 1291 transitions, 38184 flow [2021-03-26 17:57:41,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 975 places, 1291 transitions, 38184 flow [2021-03-26 17:57:42,102 INFO L129 PetriNetUnfolder]: 984/2194 cut-off events. [2021-03-26 17:57:42,102 INFO L130 PetriNetUnfolder]: For 376310/376794 co-relation queries the response was YES. [2021-03-26 17:57:42,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42793 conditions, 2194 events. 984/2194 cut-off events. For 376310/376794 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 17818 event pairs, 37 based on Foata normal form. 42/2197 useless extension candidates. Maximal degree in co-relation 42414. Up to 596 conditions per place. [2021-03-26 17:57:42,189 INFO L142 LiptonReduction]: Number of co-enabled transitions 966 [2021-03-26 17:57:42,375 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:42,375 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:57:42,375 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 934 [2021-03-26 17:57:42,376 INFO L480 AbstractCegarLoop]: Abstraction has has 975 places, 1291 transitions, 38184 flow [2021-03-26 17:57:42,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:42,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:42,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:42,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-03-26 17:57:42,376 INFO L428 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:42,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:42,376 INFO L82 PathProgramCache]: Analyzing trace with hash 912509345, now seen corresponding path program 2 times [2021-03-26 17:57:42,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:42,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289365065] [2021-03-26 17:57:42,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:42,382 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:42,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:42,386 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:42,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:42,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:42,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:42,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:42,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:42,413 INFO L142 QuantifierPusher]: treesize reduction 22, result has 50.0 percent of original size [2021-03-26 17:57:42,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 17:57:42,434 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:57:42,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:57:42,458 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-03-26 17:57:42,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 17:57:42,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:42,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:42,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:42,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:42,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:42,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289365065] [2021-03-26 17:57:42,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:42,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:57:42,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554494609] [2021-03-26 17:57:42,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:57:42,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:42,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:57:42,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:57:42,508 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:57:42,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 975 places, 1291 transitions, 38184 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:42,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:42,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:57:42,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:44,683 INFO L129 PetriNetUnfolder]: 1242/2590 cut-off events. [2021-03-26 17:57:44,683 INFO L130 PetriNetUnfolder]: For 456687/456708 co-relation queries the response was YES. [2021-03-26 17:57:44,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54040 conditions, 2590 events. 1242/2590 cut-off events. For 456687/456708 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 20051 event pairs, 184 based on Foata normal form. 13/2600 useless extension candidates. Maximal degree in co-relation 53659. Up to 2200 conditions per place. [2021-03-26 17:57:44,764 INFO L132 encePairwiseOnDemand]: 143/169 looper letters, 1094 selfloop transitions, 227 changer transitions 6/1335 dead transitions. [2021-03-26 17:57:44,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1335 transitions, 42517 flow [2021-03-26 17:57:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:57:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:57:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 636 transitions. [2021-03-26 17:57:44,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19806913734039241 [2021-03-26 17:57:44,766 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 636 transitions. [2021-03-26 17:57:44,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 636 transitions. [2021-03-26 17:57:44,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:44,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 636 transitions. [2021-03-26 17:57:44,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.473684210526315) internal successors, (636), 19 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:44,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 169.0) internal successors, (3380), 20 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:44,768 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 169.0) internal successors, (3380), 20 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:44,768 INFO L185 Difference]: Start difference. First operand has 975 places, 1291 transitions, 38184 flow. Second operand 19 states and 636 transitions. [2021-03-26 17:57:44,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1335 transitions, 42517 flow [2021-03-26 17:57:48,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 978 places, 1335 transitions, 42040 flow, removed 24 selfloop flow, removed 15 redundant places. [2021-03-26 17:57:48,277 INFO L241 Difference]: Finished difference. Result has 984 places, 1305 transitions, 38849 flow [2021-03-26 17:57:48,277 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=37715, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1067, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=38849, PETRI_PLACES=984, PETRI_TRANSITIONS=1305} [2021-03-26 17:57:48,277 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 945 predicate places. [2021-03-26 17:57:48,277 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:48,277 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 984 places, 1305 transitions, 38849 flow [2021-03-26 17:57:48,277 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 984 places, 1305 transitions, 38849 flow [2021-03-26 17:57:48,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 983 places, 1305 transitions, 38849 flow [2021-03-26 17:57:48,963 INFO L129 PetriNetUnfolder]: 983/2210 cut-off events. [2021-03-26 17:57:48,963 INFO L130 PetriNetUnfolder]: For 371528/371909 co-relation queries the response was YES. [2021-03-26 17:57:49,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43351 conditions, 2210 events. 983/2210 cut-off events. For 371528/371909 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 18039 event pairs, 39 based on Foata normal form. 37/2211 useless extension candidates. Maximal degree in co-relation 42958. Up to 592 conditions per place. [2021-03-26 17:57:49,056 INFO L142 LiptonReduction]: Number of co-enabled transitions 968 [2021-03-26 17:57:49,249 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:49,250 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:57:49,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 973 [2021-03-26 17:57:49,250 INFO L480 AbstractCegarLoop]: Abstraction has has 983 places, 1305 transitions, 38849 flow [2021-03-26 17:57:49,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:49,250 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:49,250 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:49,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-26 17:57:49,250 INFO L428 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:49,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1488355351, now seen corresponding path program 2 times [2021-03-26 17:57:49,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:49,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563085017] [2021-03-26 17:57:49,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:49,257 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:49,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:49,262 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:49,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:49,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:49,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:49,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:49,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:49,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:49,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:49,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:49,312 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:49,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:49,341 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:57:49,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:57:49,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:49,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:57:49,384 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:57:49,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:57:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:49,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563085017] [2021-03-26 17:57:49,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:49,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:57:49,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995828025] [2021-03-26 17:57:49,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:57:49,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:49,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:57:49,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:57:49,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 169 [2021-03-26 17:57:49,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 1305 transitions, 38849 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:49,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:49,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 169 [2021-03-26 17:57:49,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:51,445 INFO L129 PetriNetUnfolder]: 1243/2589 cut-off events. [2021-03-26 17:57:51,445 INFO L130 PetriNetUnfolder]: For 463989/464010 co-relation queries the response was YES. [2021-03-26 17:57:51,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54375 conditions, 2589 events. 1243/2589 cut-off events. For 463989/464010 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 20086 event pairs, 186 based on Foata normal form. 12/2598 useless extension candidates. Maximal degree in co-relation 53979. Up to 2370 conditions per place. [2021-03-26 17:57:51,523 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 1252 selfloop transitions, 55 changer transitions 8/1323 dead transitions. [2021-03-26 17:57:51,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1323 transitions, 42385 flow [2021-03-26 17:57:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 17:57:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 17:57:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 512 transitions. [2021-03-26 17:57:51,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1893491124260355 [2021-03-26 17:57:51,524 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 512 transitions. [2021-03-26 17:57:51,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 512 transitions. [2021-03-26 17:57:51,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:51,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 512 transitions. [2021-03-26 17:57:51,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 32.0) internal successors, (512), 16 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:51,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 169.0) internal successors, (2873), 17 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:51,526 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 169.0) internal successors, (2873), 17 states have internal predecessors, (2873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:51,526 INFO L185 Difference]: Start difference. First operand has 983 places, 1305 transitions, 38849 flow. Second operand 16 states and 512 transitions. [2021-03-26 17:57:51,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1323 transitions, 42385 flow [2021-03-26 17:57:54,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 984 places, 1323 transitions, 41610 flow, removed 155 selfloop flow, removed 14 redundant places. [2021-03-26 17:57:54,822 INFO L241 Difference]: Finished difference. Result has 990 places, 1307 transitions, 38455 flow [2021-03-26 17:57:54,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=38084, PETRI_DIFFERENCE_MINUEND_PLACES=969, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=38455, PETRI_PLACES=990, PETRI_TRANSITIONS=1307} [2021-03-26 17:57:54,822 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 951 predicate places. [2021-03-26 17:57:54,822 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:57:54,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 990 places, 1307 transitions, 38455 flow [2021-03-26 17:57:54,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 990 places, 1307 transitions, 38455 flow [2021-03-26 17:57:54,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 986 places, 1307 transitions, 38455 flow [2021-03-26 17:57:55,494 INFO L129 PetriNetUnfolder]: 986/2208 cut-off events. [2021-03-26 17:57:55,494 INFO L130 PetriNetUnfolder]: For 375312/375734 co-relation queries the response was YES. [2021-03-26 17:57:55,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43057 conditions, 2208 events. 986/2208 cut-off events. For 375312/375734 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 17987 event pairs, 39 based on Foata normal form. 33/2207 useless extension candidates. Maximal degree in co-relation 42673. Up to 594 conditions per place. [2021-03-26 17:57:55,584 INFO L142 LiptonReduction]: Number of co-enabled transitions 964 [2021-03-26 17:57:56,056 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:57:56,056 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:57:56,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1234 [2021-03-26 17:57:56,057 INFO L480 AbstractCegarLoop]: Abstraction has has 986 places, 1307 transitions, 38457 flow [2021-03-26 17:57:56,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:56,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:57:56,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:57:56,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-26 17:57:56,057 INFO L428 AbstractCegarLoop]: === Iteration 253 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:57:56,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:57:56,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1182006963, now seen corresponding path program 3 times [2021-03-26 17:57:56,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:57:56,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381260170] [2021-03-26 17:57:56,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:57:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:57:56,063 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:57:56,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:57:56,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:57:56,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:57:56,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:56,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:57:56,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:56,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:56,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:57:56,106 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:57:56,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:57:56,110 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:57:56,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:57:56,138 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:57:56,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:57:56,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:57:56,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:57:56,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:57:56,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:57:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:57:56,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381260170] [2021-03-26 17:57:56,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:57:56,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:57:56,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10743995] [2021-03-26 17:57:56,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:57:56,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:57:56,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:57:56,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:57:56,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:57:56,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 986 places, 1307 transitions, 38457 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:56,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:57:56,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:57:56,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:57:58,329 INFO L129 PetriNetUnfolder]: 1239/2581 cut-off events. [2021-03-26 17:57:58,330 INFO L130 PetriNetUnfolder]: For 457281/457285 co-relation queries the response was YES. [2021-03-26 17:57:58,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53860 conditions, 2581 events. 1239/2581 cut-off events. For 457281/457285 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 19963 event pairs, 193 based on Foata normal form. 5/2583 useless extension candidates. Maximal degree in co-relation 53472. Up to 2373 conditions per place. [2021-03-26 17:57:58,408 INFO L132 encePairwiseOnDemand]: 150/170 looper letters, 1253 selfloop transitions, 48 changer transitions 6/1315 dead transitions. [2021-03-26 17:57:58,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1315 transitions, 41369 flow [2021-03-26 17:57:58,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:57:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:57:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 427 transitions. [2021-03-26 17:57:58,410 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19321266968325793 [2021-03-26 17:57:58,410 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 427 transitions. [2021-03-26 17:57:58,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 427 transitions. [2021-03-26 17:57:58,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:57:58,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 427 transitions. [2021-03-26 17:57:58,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.84615384615385) internal successors, (427), 13 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:58,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:58,553 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:57:58,553 INFO L185 Difference]: Start difference. First operand has 986 places, 1307 transitions, 38457 flow. Second operand 13 states and 427 transitions. [2021-03-26 17:57:58,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1315 transitions, 41369 flow [2021-03-26 17:58:01,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 986 places, 1315 transitions, 41011 flow, removed 129 selfloop flow, removed 12 redundant places. [2021-03-26 17:58:01,732 INFO L241 Difference]: Finished difference. Result has 989 places, 1303 transitions, 38088 flow [2021-03-26 17:58:01,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=38101, PETRI_DIFFERENCE_MINUEND_PLACES=974, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=38088, PETRI_PLACES=989, PETRI_TRANSITIONS=1303} [2021-03-26 17:58:01,732 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 950 predicate places. [2021-03-26 17:58:01,732 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:01,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 989 places, 1303 transitions, 38088 flow [2021-03-26 17:58:01,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 989 places, 1303 transitions, 38088 flow [2021-03-26 17:58:01,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 984 places, 1303 transitions, 38088 flow [2021-03-26 17:58:02,397 INFO L129 PetriNetUnfolder]: 982/2203 cut-off events. [2021-03-26 17:58:02,397 INFO L130 PetriNetUnfolder]: For 362200/362535 co-relation queries the response was YES. [2021-03-26 17:58:02,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42730 conditions, 2203 events. 982/2203 cut-off events. For 362200/362535 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17999 event pairs, 46 based on Foata normal form. 34/2199 useless extension candidates. Maximal degree in co-relation 42347. Up to 586 conditions per place. [2021-03-26 17:58:02,487 INFO L142 LiptonReduction]: Number of co-enabled transitions 956 [2021-03-26 17:58:02,662 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:02,662 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:02,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 930 [2021-03-26 17:58:02,663 INFO L480 AbstractCegarLoop]: Abstraction has has 984 places, 1303 transitions, 38088 flow [2021-03-26 17:58:02,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:02,663 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:02,663 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:58:02,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-03-26 17:58:02,663 INFO L428 AbstractCegarLoop]: === Iteration 254 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:02,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1630674840, now seen corresponding path program 1 times [2021-03-26 17:58:02,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:02,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397211269] [2021-03-26 17:58:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:02,670 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:02,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:02,674 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:02,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:02,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:02,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:02,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:02,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:02,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:02,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:02,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:02,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:02,724 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:58:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:58:02,753 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:58:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:02,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:02,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:58:02,796 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:58:02,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:58:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:02,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397211269] [2021-03-26 17:58:02,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:02,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:58:02,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803954566] [2021-03-26 17:58:02,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:58:02,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:02,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:58:02,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:58:02,800 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:02,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 984 places, 1303 transitions, 38088 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:02,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:02,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:02,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:04,884 INFO L129 PetriNetUnfolder]: 1239/2583 cut-off events. [2021-03-26 17:58:04,885 INFO L130 PetriNetUnfolder]: For 452263/452267 co-relation queries the response was YES. [2021-03-26 17:58:05,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53699 conditions, 2583 events. 1239/2583 cut-off events. For 452263/452267 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 19968 event pairs, 191 based on Foata normal form. 5/2585 useless extension candidates. Maximal degree in co-relation 53312. Up to 2301 conditions per place. [2021-03-26 17:58:05,091 INFO L132 encePairwiseOnDemand]: 144/170 looper letters, 1144 selfloop transitions, 158 changer transitions 5/1315 dead transitions. [2021-03-26 17:58:05,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1315 transitions, 41300 flow [2021-03-26 17:58:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:58:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:58:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 497 transitions. [2021-03-26 17:58:05,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19490196078431374 [2021-03-26 17:58:05,093 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 497 transitions. [2021-03-26 17:58:05,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 497 transitions. [2021-03-26 17:58:05,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:05,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 497 transitions. [2021-03-26 17:58:05,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.13333333333333) internal successors, (497), 15 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:05,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 170.0) internal successors, (2720), 16 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:05,095 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 170.0) internal successors, (2720), 16 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:05,095 INFO L185 Difference]: Start difference. First operand has 984 places, 1303 transitions, 38088 flow. Second operand 15 states and 497 transitions. [2021-03-26 17:58:05,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1315 transitions, 41300 flow [2021-03-26 17:58:08,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 984 places, 1315 transitions, 41128 flow, removed 24 selfloop flow, removed 14 redundant places. [2021-03-26 17:58:08,541 INFO L241 Difference]: Finished difference. Result has 989 places, 1304 transitions, 38362 flow [2021-03-26 17:58:08,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=37934, PETRI_DIFFERENCE_MINUEND_PLACES=970, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=38362, PETRI_PLACES=989, PETRI_TRANSITIONS=1304} [2021-03-26 17:58:08,541 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 950 predicate places. [2021-03-26 17:58:08,542 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:08,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 989 places, 1304 transitions, 38362 flow [2021-03-26 17:58:08,542 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 989 places, 1304 transitions, 38362 flow [2021-03-26 17:58:08,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 985 places, 1304 transitions, 38362 flow [2021-03-26 17:58:09,218 INFO L129 PetriNetUnfolder]: 978/2201 cut-off events. [2021-03-26 17:58:09,218 INFO L130 PetriNetUnfolder]: For 387483/388033 co-relation queries the response was YES. [2021-03-26 17:58:09,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42916 conditions, 2201 events. 978/2201 cut-off events. For 387483/388033 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 17998 event pairs, 39 based on Foata normal form. 68/2244 useless extension candidates. Maximal degree in co-relation 42533. Up to 589 conditions per place. [2021-03-26 17:58:09,308 INFO L142 LiptonReduction]: Number of co-enabled transitions 956 [2021-03-26 17:58:09,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:09,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:09,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 956 [2021-03-26 17:58:09,498 INFO L480 AbstractCegarLoop]: Abstraction has has 985 places, 1304 transitions, 38362 flow [2021-03-26 17:58:09,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:09,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:09,498 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:58:09,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-03-26 17:58:09,499 INFO L428 AbstractCegarLoop]: === Iteration 255 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:09,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:09,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1283336748, now seen corresponding path program 2 times [2021-03-26 17:58:09,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:09,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346592723] [2021-03-26 17:58:09,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:09,505 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:09,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:09,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:09,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:09,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:09,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:09,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:09,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:09,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:09,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:09,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:09,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:09,560 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:58:09,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:58:09,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:09,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:09,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:09,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:58:09,614 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:58:09,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:58:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:09,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346592723] [2021-03-26 17:58:09,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:09,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:58:09,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023108892] [2021-03-26 17:58:09,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:58:09,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:09,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:58:09,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:58:09,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:09,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 985 places, 1304 transitions, 38362 flow. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:09,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:09,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:09,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:11,834 INFO L129 PetriNetUnfolder]: 1237/2573 cut-off events. [2021-03-26 17:58:11,834 INFO L130 PetriNetUnfolder]: For 467687/467708 co-relation queries the response was YES. [2021-03-26 17:58:11,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53989 conditions, 2573 events. 1237/2573 cut-off events. For 467687/467708 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 19816 event pairs, 180 based on Foata normal form. 12/2582 useless extension candidates. Maximal degree in co-relation 53602. Up to 2263 conditions per place. [2021-03-26 17:58:11,900 INFO L132 encePairwiseOnDemand]: 142/170 looper letters, 1091 selfloop transitions, 208 changer transitions 5/1312 dead transitions. [2021-03-26 17:58:11,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1312 transitions, 41459 flow [2021-03-26 17:58:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:58:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:58:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 473 transitions. [2021-03-26 17:58:11,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19873949579831932 [2021-03-26 17:58:11,902 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 473 transitions. [2021-03-26 17:58:11,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 473 transitions. [2021-03-26 17:58:11,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:11,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 473 transitions. [2021-03-26 17:58:11,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.785714285714285) internal successors, (473), 14 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:11,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 170.0) internal successors, (2550), 15 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:11,903 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 170.0) internal successors, (2550), 15 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:11,903 INFO L185 Difference]: Start difference. First operand has 985 places, 1304 transitions, 38362 flow. Second operand 14 states and 473 transitions. [2021-03-26 17:58:11,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1312 transitions, 41459 flow [2021-03-26 17:58:15,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 987 places, 1312 transitions, 41250 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-26 17:58:15,093 INFO L241 Difference]: Finished difference. Result has 990 places, 1301 transitions, 38560 flow [2021-03-26 17:58:15,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=38155, PETRI_DIFFERENCE_MINUEND_PLACES=974, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1096, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=38560, PETRI_PLACES=990, PETRI_TRANSITIONS=1301} [2021-03-26 17:58:15,093 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 951 predicate places. [2021-03-26 17:58:15,093 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:15,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 990 places, 1301 transitions, 38560 flow [2021-03-26 17:58:15,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 990 places, 1301 transitions, 38560 flow [2021-03-26 17:58:15,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 987 places, 1301 transitions, 38560 flow [2021-03-26 17:58:15,770 INFO L129 PetriNetUnfolder]: 977/2197 cut-off events. [2021-03-26 17:58:15,770 INFO L130 PetriNetUnfolder]: For 387173/387570 co-relation queries the response was YES. [2021-03-26 17:58:15,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43194 conditions, 2197 events. 977/2197 cut-off events. For 387173/387570 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 17907 event pairs, 37 based on Foata normal form. 39/2207 useless extension candidates. Maximal degree in co-relation 42812. Up to 586 conditions per place. [2021-03-26 17:58:15,860 INFO L142 LiptonReduction]: Number of co-enabled transitions 956 [2021-03-26 17:58:16,051 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:16,051 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:16,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 958 [2021-03-26 17:58:16,051 INFO L480 AbstractCegarLoop]: Abstraction has has 987 places, 1301 transitions, 38560 flow [2021-03-26 17:58:16,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:16,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:16,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:58:16,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-03-26 17:58:16,052 INFO L428 AbstractCegarLoop]: === Iteration 256 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:16,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:16,052 INFO L82 PathProgramCache]: Analyzing trace with hash -174096281, now seen corresponding path program 1 times [2021-03-26 17:58:16,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:16,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090300065] [2021-03-26 17:58:16,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:16,060 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:16,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:16,066 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:16,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:16,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:16,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:16,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:16,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:16,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:16,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:16,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:16,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:16,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:16,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:16,136 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:58:16,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:16,162 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 17:58:16,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:58:16,165 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:58:16,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:16,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:58:16,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:58:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:16,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090300065] [2021-03-26 17:58:16,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:16,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:58:16,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547283044] [2021-03-26 17:58:16,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:58:16,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:16,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:58:16,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:58:16,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:16,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 987 places, 1301 transitions, 38560 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:16,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:16,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:16,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:18,387 INFO L129 PetriNetUnfolder]: 1236/2572 cut-off events. [2021-03-26 17:58:18,387 INFO L130 PetriNetUnfolder]: For 478267/478288 co-relation queries the response was YES. [2021-03-26 17:58:18,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54171 conditions, 2572 events. 1236/2572 cut-off events. For 478267/478288 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 19847 event pairs, 148 based on Foata normal form. 18/2589 useless extension candidates. Maximal degree in co-relation 53785. Up to 2324 conditions per place. [2021-03-26 17:58:18,454 INFO L132 encePairwiseOnDemand]: 152/170 looper letters, 1223 selfloop transitions, 82 changer transitions 2/1315 dead transitions. [2021-03-26 17:58:18,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1001 places, 1315 transitions, 41594 flow [2021-03-26 17:58:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 17:58:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 17:58:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 501 transitions. [2021-03-26 17:58:18,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19647058823529412 [2021-03-26 17:58:18,456 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 501 transitions. [2021-03-26 17:58:18,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 501 transitions. [2021-03-26 17:58:18,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:18,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 501 transitions. [2021-03-26 17:58:18,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 33.4) internal successors, (501), 15 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:18,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 170.0) internal successors, (2720), 16 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:18,458 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 170.0) internal successors, (2720), 16 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:18,458 INFO L185 Difference]: Start difference. First operand has 987 places, 1301 transitions, 38560 flow. Second operand 15 states and 501 transitions. [2021-03-26 17:58:18,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1001 places, 1315 transitions, 41594 flow [2021-03-26 17:58:21,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 984 places, 1315 transitions, 40957 flow, removed 14 selfloop flow, removed 17 redundant places. [2021-03-26 17:58:21,640 INFO L241 Difference]: Finished difference. Result has 986 places, 1300 transitions, 38124 flow [2021-03-26 17:58:21,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=37939, PETRI_DIFFERENCE_MINUEND_PLACES=970, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=38124, PETRI_PLACES=986, PETRI_TRANSITIONS=1300} [2021-03-26 17:58:21,640 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 947 predicate places. [2021-03-26 17:58:21,640 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:21,641 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 986 places, 1300 transitions, 38124 flow [2021-03-26 17:58:21,641 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 986 places, 1300 transitions, 38124 flow [2021-03-26 17:58:21,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 986 places, 1300 transitions, 38124 flow [2021-03-26 17:58:22,307 INFO L129 PetriNetUnfolder]: 976/2194 cut-off events. [2021-03-26 17:58:22,307 INFO L130 PetriNetUnfolder]: For 375726/376097 co-relation queries the response was YES. [2021-03-26 17:58:22,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42561 conditions, 2194 events. 976/2194 cut-off events. For 375726/376097 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 17991 event pairs, 38 based on Foata normal form. 24/2179 useless extension candidates. Maximal degree in co-relation 42171. Up to 585 conditions per place. [2021-03-26 17:58:22,402 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-26 17:58:22,591 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:22,591 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:22,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 952 [2021-03-26 17:58:22,592 INFO L480 AbstractCegarLoop]: Abstraction has has 986 places, 1300 transitions, 38124 flow [2021-03-26 17:58:22,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:22,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:22,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:58:22,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-03-26 17:58:22,592 INFO L428 AbstractCegarLoop]: === Iteration 257 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:22,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:22,593 INFO L82 PathProgramCache]: Analyzing trace with hash 749765496, now seen corresponding path program 2 times [2021-03-26 17:58:22,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:22,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263194667] [2021-03-26 17:58:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:22,601 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:22,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:22,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:22,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:22,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:22,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:22,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:22,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:58:22,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:58:22,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:58:22,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:22,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:22,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:22,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:22,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263194667] [2021-03-26 17:58:22,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:22,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:58:22,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820419174] [2021-03-26 17:58:22,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:58:22,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:22,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:58:22,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:58:22,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:22,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 986 places, 1300 transitions, 38124 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:22,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:22,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:22,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:24,958 INFO L129 PetriNetUnfolder]: 1235/2574 cut-off events. [2021-03-26 17:58:24,958 INFO L130 PetriNetUnfolder]: For 459695/459699 co-relation queries the response was YES. [2021-03-26 17:58:25,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53573 conditions, 2574 events. 1235/2574 cut-off events. For 459695/459699 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 19927 event pairs, 158 based on Foata normal form. 5/2578 useless extension candidates. Maximal degree in co-relation 53180. Up to 2297 conditions per place. [2021-03-26 17:58:25,024 INFO L132 encePairwiseOnDemand]: 149/170 looper letters, 1217 selfloop transitions, 94 changer transitions 2/1321 dead transitions. [2021-03-26 17:58:25,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1002 places, 1321 transitions, 41619 flow [2021-03-26 17:58:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:58:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:58:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 558 transitions. [2021-03-26 17:58:25,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1930795847750865 [2021-03-26 17:58:25,026 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 558 transitions. [2021-03-26 17:58:25,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 558 transitions. [2021-03-26 17:58:25,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:25,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 558 transitions. [2021-03-26 17:58:25,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.8235294117647) internal successors, (558), 17 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:25,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 170.0) internal successors, (3060), 18 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:25,027 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 170.0) internal successors, (3060), 18 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:25,027 INFO L185 Difference]: Start difference. First operand has 986 places, 1300 transitions, 38124 flow. Second operand 17 states and 558 transitions. [2021-03-26 17:58:25,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1002 places, 1321 transitions, 41619 flow [2021-03-26 17:58:28,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 989 places, 1321 transitions, 41453 flow, removed 1 selfloop flow, removed 13 redundant places. [2021-03-26 17:58:28,139 INFO L241 Difference]: Finished difference. Result has 992 places, 1300 transitions, 38313 flow [2021-03-26 17:58:28,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=37958, PETRI_DIFFERENCE_MINUEND_PLACES=973, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=38313, PETRI_PLACES=992, PETRI_TRANSITIONS=1300} [2021-03-26 17:58:28,140 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 953 predicate places. [2021-03-26 17:58:28,140 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:28,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 992 places, 1300 transitions, 38313 flow [2021-03-26 17:58:28,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 992 places, 1300 transitions, 38313 flow [2021-03-26 17:58:28,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 991 places, 1300 transitions, 38313 flow [2021-03-26 17:58:28,815 INFO L129 PetriNetUnfolder]: 984/2210 cut-off events. [2021-03-26 17:58:28,815 INFO L130 PetriNetUnfolder]: For 375348/375726 co-relation queries the response was YES. [2021-03-26 17:58:28,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43092 conditions, 2210 events. 984/2210 cut-off events. For 375348/375726 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 18099 event pairs, 38 based on Foata normal form. 25/2197 useless extension candidates. Maximal degree in co-relation 42708. Up to 588 conditions per place. [2021-03-26 17:58:28,905 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-26 17:58:29,094 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:29,095 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:29,095 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 955 [2021-03-26 17:58:29,095 INFO L480 AbstractCegarLoop]: Abstraction has has 991 places, 1300 transitions, 38313 flow [2021-03-26 17:58:29,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:29,095 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:29,095 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] [2021-03-26 17:58:29,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-03-26 17:58:29,095 INFO L428 AbstractCegarLoop]: === Iteration 258 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:29,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:29,095 INFO L82 PathProgramCache]: Analyzing trace with hash 21489914, now seen corresponding path program 15 times [2021-03-26 17:58:29,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:29,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826342354] [2021-03-26 17:58:29,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:29,102 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:29,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:29,107 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:29,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:29,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:29,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:29,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:29,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:29,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:29,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:58:29,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:29,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 17:58:29,155 INFO L142 QuantifierPusher]: treesize reduction 21, result has 47.5 percent of original size [2021-03-26 17:58:29,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 17:58:29,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:29,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 17:58:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:58:29,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:29,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:29,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:29,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:29,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826342354] [2021-03-26 17:58:29,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:29,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:58:29,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095890320] [2021-03-26 17:58:29,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:58:29,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:29,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:58:29,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:58:29,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:29,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 991 places, 1300 transitions, 38313 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:29,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:29,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:29,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:31,280 INFO L129 PetriNetUnfolder]: 1234/2572 cut-off events. [2021-03-26 17:58:31,280 INFO L130 PetriNetUnfolder]: For 466339/466360 co-relation queries the response was YES. [2021-03-26 17:58:31,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53607 conditions, 2572 events. 1234/2572 cut-off events. For 466339/466360 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 19853 event pairs, 177 based on Foata normal form. 14/2585 useless extension candidates. Maximal degree in co-relation 53219. Up to 2365 conditions per place. [2021-03-26 17:58:31,344 INFO L132 encePairwiseOnDemand]: 153/170 looper letters, 1250 selfloop transitions, 42 changer transitions 7/1307 dead transitions. [2021-03-26 17:58:31,344 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1004 places, 1307 transitions, 41024 flow [2021-03-26 17:58:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 17:58:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 17:58:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 449 transitions. [2021-03-26 17:58:31,345 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18865546218487395 [2021-03-26 17:58:31,345 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 449 transitions. [2021-03-26 17:58:31,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 449 transitions. [2021-03-26 17:58:31,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:31,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 449 transitions. [2021-03-26 17:58:31,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.07142857142857) internal successors, (449), 14 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:31,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 170.0) internal successors, (2550), 15 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:31,347 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 170.0) internal successors, (2550), 15 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:31,347 INFO L185 Difference]: Start difference. First operand has 991 places, 1300 transitions, 38313 flow. Second operand 14 states and 449 transitions. [2021-03-26 17:58:31,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1004 places, 1307 transitions, 41024 flow [2021-03-26 17:58:34,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 988 places, 1307 transitions, 40734 flow, removed 62 selfloop flow, removed 16 redundant places. [2021-03-26 17:58:34,604 INFO L241 Difference]: Finished difference. Result has 989 places, 1293 transitions, 37801 flow [2021-03-26 17:58:34,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=38023, PETRI_DIFFERENCE_MINUEND_PLACES=975, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=37801, PETRI_PLACES=989, PETRI_TRANSITIONS=1293} [2021-03-26 17:58:34,605 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 950 predicate places. [2021-03-26 17:58:34,605 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:34,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 989 places, 1293 transitions, 37801 flow [2021-03-26 17:58:34,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 989 places, 1293 transitions, 37801 flow [2021-03-26 17:58:34,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 977 places, 1293 transitions, 37801 flow [2021-03-26 17:58:35,266 INFO L129 PetriNetUnfolder]: 979/2199 cut-off events. [2021-03-26 17:58:35,267 INFO L130 PetriNetUnfolder]: For 372787/373124 co-relation queries the response was YES. [2021-03-26 17:58:35,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42693 conditions, 2199 events. 979/2199 cut-off events. For 372787/373124 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 18078 event pairs, 45 based on Foata normal form. 30/2187 useless extension candidates. Maximal degree in co-relation 42310. Up to 590 conditions per place. [2021-03-26 17:58:35,353 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-26 17:58:35,538 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:35,538 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:35,538 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 933 [2021-03-26 17:58:35,538 INFO L480 AbstractCegarLoop]: Abstraction has has 977 places, 1293 transitions, 37801 flow [2021-03-26 17:58:35,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:35,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:35,538 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] [2021-03-26 17:58:35,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-03-26 17:58:35,538 INFO L428 AbstractCegarLoop]: === Iteration 259 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:35,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:35,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1786556983, now seen corresponding path program 2 times [2021-03-26 17:58:35,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:35,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769690845] [2021-03-26 17:58:35,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:35,544 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:35,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:35,549 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:35,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:35,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:35,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:35,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:35,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:35,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:35,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:35,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:35,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:35,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:35,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:35,613 INFO L142 QuantifierPusher]: treesize reduction 26, result has 53.6 percent of original size [2021-03-26 17:58:35,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:35,639 INFO L142 QuantifierPusher]: treesize reduction 35, result has 44.4 percent of original size [2021-03-26 17:58:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 17:58:35,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-26 17:58:35,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:35,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:58:35,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:58:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:35,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769690845] [2021-03-26 17:58:35,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:35,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:58:35,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211868981] [2021-03-26 17:58:35,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:58:35,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:35,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:58:35,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:58:35,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:35,660 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 977 places, 1293 transitions, 37801 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:35,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:35,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:35,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:38,052 INFO L129 PetriNetUnfolder]: 1241/2583 cut-off events. [2021-03-26 17:58:38,052 INFO L130 PetriNetUnfolder]: For 467835/467867 co-relation queries the response was YES. [2021-03-26 17:58:38,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53670 conditions, 2583 events. 1241/2583 cut-off events. For 467835/467867 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 19986 event pairs, 156 based on Foata normal form. 23/2605 useless extension candidates. Maximal degree in co-relation 53283. Up to 2089 conditions per place. [2021-03-26 17:58:38,120 INFO L132 encePairwiseOnDemand]: 134/170 looper letters, 922 selfloop transitions, 386 changer transitions 3/1319 dead transitions. [2021-03-26 17:58:38,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 995 places, 1319 transitions, 41445 flow [2021-03-26 17:58:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:58:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:58:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 632 transitions. [2021-03-26 17:58:38,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1956656346749226 [2021-03-26 17:58:38,122 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 632 transitions. [2021-03-26 17:58:38,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 632 transitions. [2021-03-26 17:58:38,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:38,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 632 transitions. [2021-03-26 17:58:38,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 33.26315789473684) internal successors, (632), 19 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:38,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:38,124 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:38,124 INFO L185 Difference]: Start difference. First operand has 977 places, 1293 transitions, 37801 flow. Second operand 19 states and 632 transitions. [2021-03-26 17:58:38,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 995 places, 1319 transitions, 41445 flow [2021-03-26 17:58:41,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 981 places, 1319 transitions, 41097 flow, removed 109 selfloop flow, removed 14 redundant places. [2021-03-26 17:58:41,096 INFO L241 Difference]: Finished difference. Result has 987 places, 1302 transitions, 38982 flow [2021-03-26 17:58:41,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=37489, PETRI_DIFFERENCE_MINUEND_PLACES=963, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=908, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=38982, PETRI_PLACES=987, PETRI_TRANSITIONS=1302} [2021-03-26 17:58:41,096 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 948 predicate places. [2021-03-26 17:58:41,096 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:41,096 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 987 places, 1302 transitions, 38982 flow [2021-03-26 17:58:41,096 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 987 places, 1302 transitions, 38982 flow [2021-03-26 17:58:41,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 986 places, 1302 transitions, 38982 flow [2021-03-26 17:58:41,760 INFO L129 PetriNetUnfolder]: 977/2193 cut-off events. [2021-03-26 17:58:41,760 INFO L130 PetriNetUnfolder]: For 371921/372462 co-relation queries the response was YES. [2021-03-26 17:58:41,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42745 conditions, 2193 events. 977/2193 cut-off events. For 371921/372462 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 17920 event pairs, 35 based on Foata normal form. 66/2231 useless extension candidates. Maximal degree in co-relation 42355. Up to 584 conditions per place. [2021-03-26 17:58:41,847 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-26 17:58:42,036 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:42,036 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:42,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 940 [2021-03-26 17:58:42,037 INFO L480 AbstractCegarLoop]: Abstraction has has 986 places, 1302 transitions, 38982 flow [2021-03-26 17:58:42,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:42,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:42,037 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] [2021-03-26 17:58:42,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-03-26 17:58:42,037 INFO L428 AbstractCegarLoop]: === Iteration 260 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:42,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:42,037 INFO L82 PathProgramCache]: Analyzing trace with hash -929600385, now seen corresponding path program 21 times [2021-03-26 17:58:42,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:42,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801646652] [2021-03-26 17:58:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:42,045 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:42,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:42,050 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:42,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:42,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:42,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:42,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:42,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:42,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:42,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:42,096 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:58:42,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:42,123 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:58:42,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:58:42,152 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:58:42,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:42,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:42,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:58:42,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:42,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:58:42,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:58:42,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:58:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:42,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801646652] [2021-03-26 17:58:42,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:42,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:58:42,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538030419] [2021-03-26 17:58:42,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:58:42,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:42,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:58:42,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:58:42,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:42,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 986 places, 1302 transitions, 38982 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:42,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:42,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:42,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:44,484 INFO L129 PetriNetUnfolder]: 1242/2601 cut-off events. [2021-03-26 17:58:44,484 INFO L130 PetriNetUnfolder]: For 454094/454098 co-relation queries the response was YES. [2021-03-26 17:58:44,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54032 conditions, 2601 events. 1242/2601 cut-off events. For 454094/454098 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 20181 event pairs, 185 based on Foata normal form. 5/2605 useless extension candidates. Maximal degree in co-relation 53639. Up to 2300 conditions per place. [2021-03-26 17:58:44,552 INFO L132 encePairwiseOnDemand]: 151/170 looper letters, 1211 selfloop transitions, 109 changer transitions 4/1332 dead transitions. [2021-03-26 17:58:44,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1004 places, 1332 transitions, 42851 flow [2021-03-26 17:58:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:58:44,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:58:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 603 transitions. [2021-03-26 17:58:44,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.186687306501548 [2021-03-26 17:58:44,554 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 603 transitions. [2021-03-26 17:58:44,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 603 transitions. [2021-03-26 17:58:44,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:44,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 603 transitions. [2021-03-26 17:58:44,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.736842105263158) internal successors, (603), 19 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) [2021-03-26 17:58:44,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:44,556 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 170.0) internal successors, (3400), 20 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:44,556 INFO L185 Difference]: Start difference. First operand has 986 places, 1302 transitions, 38982 flow. Second operand 19 states and 603 transitions. [2021-03-26 17:58:44,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1004 places, 1332 transitions, 42851 flow [2021-03-26 17:58:47,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 987 places, 1332 transitions, 41863 flow, removed 98 selfloop flow, removed 17 redundant places. [2021-03-26 17:58:47,795 INFO L241 Difference]: Finished difference. Result has 993 places, 1316 transitions, 38762 flow [2021-03-26 17:58:47,795 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=38006, PETRI_DIFFERENCE_MINUEND_PLACES=969, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=38762, PETRI_PLACES=993, PETRI_TRANSITIONS=1316} [2021-03-26 17:58:47,795 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 954 predicate places. [2021-03-26 17:58:47,796 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:47,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 993 places, 1316 transitions, 38762 flow [2021-03-26 17:58:47,796 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 993 places, 1316 transitions, 38762 flow [2021-03-26 17:58:47,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 992 places, 1316 transitions, 38762 flow [2021-03-26 17:58:48,483 INFO L129 PetriNetUnfolder]: 991/2228 cut-off events. [2021-03-26 17:58:48,483 INFO L130 PetriNetUnfolder]: For 390725/391077 co-relation queries the response was YES. [2021-03-26 17:58:48,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43575 conditions, 2228 events. 991/2228 cut-off events. For 390725/391077 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 18308 event pairs, 49 based on Foata normal form. 18/2206 useless extension candidates. Maximal degree in co-relation 43193. Up to 595 conditions per place. [2021-03-26 17:58:48,583 INFO L142 LiptonReduction]: Number of co-enabled transitions 956 [2021-03-26 17:58:48,777 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:48,777 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:48,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 982 [2021-03-26 17:58:48,778 INFO L480 AbstractCegarLoop]: Abstraction has has 992 places, 1316 transitions, 38762 flow [2021-03-26 17:58:48,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:48,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:48,778 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] [2021-03-26 17:58:48,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-03-26 17:58:48,778 INFO L428 AbstractCegarLoop]: === Iteration 261 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:48,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:48,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1478096165, now seen corresponding path program 22 times [2021-03-26 17:58:48,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:48,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871556691] [2021-03-26 17:58:48,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:48,784 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:48,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:48,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:48,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:48,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:48,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:48,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:48,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:48,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:48,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:48,831 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:58:48,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:48,858 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:58:48,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:58:48,887 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:58:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:58:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:58:48,947 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:58:48,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:58:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:48,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871556691] [2021-03-26 17:58:48,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:48,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:58:48,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684601224] [2021-03-26 17:58:48,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:58:48,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:48,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:58:48,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:58:48,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:48,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 992 places, 1316 transitions, 38762 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:48,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:48,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:48,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:51,208 INFO L129 PetriNetUnfolder]: 1239/2619 cut-off events. [2021-03-26 17:58:51,209 INFO L130 PetriNetUnfolder]: For 472023/472027 co-relation queries the response was YES. [2021-03-26 17:58:51,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54194 conditions, 2619 events. 1239/2619 cut-off events. For 472023/472027 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 20443 event pairs, 188 based on Foata normal form. 5/2623 useless extension candidates. Maximal degree in co-relation 53800. Up to 2309 conditions per place. [2021-03-26 17:58:51,276 INFO L132 encePairwiseOnDemand]: 151/170 looper letters, 1219 selfloop transitions, 112 changer transitions 4/1343 dead transitions. [2021-03-26 17:58:51,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1008 places, 1343 transitions, 42565 flow [2021-03-26 17:58:51,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:58:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:58:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 547 transitions. [2021-03-26 17:58:51,278 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1892733564013841 [2021-03-26 17:58:51,278 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 547 transitions. [2021-03-26 17:58:51,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 547 transitions. [2021-03-26 17:58:51,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:51,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 547 transitions. [2021-03-26 17:58:51,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.1764705882353) internal successors, (547), 17 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:51,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 170.0) internal successors, (3060), 18 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:51,279 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 170.0) internal successors, (3060), 18 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:51,279 INFO L185 Difference]: Start difference. First operand has 992 places, 1316 transitions, 38762 flow. Second operand 17 states and 547 transitions. [2021-03-26 17:58:51,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1008 places, 1343 transitions, 42565 flow [2021-03-26 17:58:54,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1001 places, 1343 transitions, 42160 flow, removed 165 selfloop flow, removed 7 redundant places. [2021-03-26 17:58:54,474 INFO L241 Difference]: Finished difference. Result has 1007 places, 1328 transitions, 39138 flow [2021-03-26 17:58:54,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=38371, PETRI_DIFFERENCE_MINUEND_PLACES=985, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=39138, PETRI_PLACES=1007, PETRI_TRANSITIONS=1328} [2021-03-26 17:58:54,475 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 968 predicate places. [2021-03-26 17:58:54,475 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:58:54,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1007 places, 1328 transitions, 39138 flow [2021-03-26 17:58:54,475 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 1007 places, 1328 transitions, 39138 flow [2021-03-26 17:58:54,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1006 places, 1328 transitions, 39138 flow [2021-03-26 17:58:55,168 INFO L129 PetriNetUnfolder]: 995/2258 cut-off events. [2021-03-26 17:58:55,169 INFO L130 PetriNetUnfolder]: For 403519/403961 co-relation queries the response was YES. [2021-03-26 17:58:55,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43993 conditions, 2258 events. 995/2258 cut-off events. For 403519/403961 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 18566 event pairs, 57 based on Foata normal form. 48/2268 useless extension candidates. Maximal degree in co-relation 43601. Up to 603 conditions per place. [2021-03-26 17:58:55,263 INFO L142 LiptonReduction]: Number of co-enabled transitions 960 [2021-03-26 17:58:55,460 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:58:55,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:58:55,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 985 [2021-03-26 17:58:55,460 INFO L480 AbstractCegarLoop]: Abstraction has has 1006 places, 1328 transitions, 39138 flow [2021-03-26 17:58:55,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:55,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:58:55,460 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] [2021-03-26 17:58:55,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-03-26 17:58:55,460 INFO L428 AbstractCegarLoop]: === Iteration 262 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:58:55,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:58:55,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1957401955, now seen corresponding path program 23 times [2021-03-26 17:58:55,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:58:55,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614580891] [2021-03-26 17:58:55,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:58:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:58:55,467 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:58:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:58:55,472 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:58:55,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:58:55,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:55,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:58:55,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:55,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:55,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:55,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:58:55,510 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:58:55,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:55,537 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:58:55,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:58:55,565 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:58:55,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:58:55,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:58:55,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:58:55,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:58:55,625 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:58:55,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:58:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:58:55,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614580891] [2021-03-26 17:58:55,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:58:55,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:58:55,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466731673] [2021-03-26 17:58:55,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:58:55,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:58:55,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:58:55,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:58:55,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 170 [2021-03-26 17:58:55,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1006 places, 1328 transitions, 39138 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:55,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:58:55,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 170 [2021-03-26 17:58:55,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:58:57,879 INFO L129 PetriNetUnfolder]: 1237/2614 cut-off events. [2021-03-26 17:58:57,879 INFO L130 PetriNetUnfolder]: For 477624/477645 co-relation queries the response was YES. [2021-03-26 17:58:57,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54332 conditions, 2614 events. 1237/2614 cut-off events. For 477624/477645 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 20448 event pairs, 153 based on Foata normal form. 18/2631 useless extension candidates. Maximal degree in co-relation 53932. Up to 2309 conditions per place. [2021-03-26 17:58:57,951 INFO L132 encePairwiseOnDemand]: 151/170 looper letters, 1218 selfloop transitions, 106 changer transitions 7/1339 dead transitions. [2021-03-26 17:58:57,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1339 transitions, 42221 flow [2021-03-26 17:58:57,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:58:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:58:57,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 545 transitions. [2021-03-26 17:58:57,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18858131487889274 [2021-03-26 17:58:57,953 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 545 transitions. [2021-03-26 17:58:57,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 545 transitions. [2021-03-26 17:58:57,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:58:57,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 545 transitions. [2021-03-26 17:58:57,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.05882352941177) internal successors, (545), 17 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:57,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 170.0) internal successors, (3060), 18 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:57,954 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 170.0) internal successors, (3060), 18 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:58:57,954 INFO L185 Difference]: Start difference. First operand has 1006 places, 1328 transitions, 39138 flow. Second operand 17 states and 545 transitions. [2021-03-26 17:58:57,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1339 transitions, 42221 flow [2021-03-26 17:59:01,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1012 places, 1339 transitions, 41856 flow, removed 113 selfloop flow, removed 10 redundant places. [2021-03-26 17:59:01,197 INFO L241 Difference]: Finished difference. Result has 1014 places, 1322 transitions, 38993 flow [2021-03-26 17:59:01,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=38783, PETRI_DIFFERENCE_MINUEND_PLACES=996, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=38993, PETRI_PLACES=1014, PETRI_TRANSITIONS=1322} [2021-03-26 17:59:01,198 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 975 predicate places. [2021-03-26 17:59:01,198 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:59:01,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1014 places, 1322 transitions, 38993 flow [2021-03-26 17:59:01,198 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 1014 places, 1322 transitions, 38993 flow [2021-03-26 17:59:01,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1009 places, 1322 transitions, 38993 flow [2021-03-26 17:59:01,885 INFO L129 PetriNetUnfolder]: 983/2237 cut-off events. [2021-03-26 17:59:01,885 INFO L130 PetriNetUnfolder]: For 390407/391128 co-relation queries the response was YES. [2021-03-26 17:59:01,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43336 conditions, 2237 events. 983/2237 cut-off events. For 390407/391128 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 18432 event pairs, 46 based on Foata normal form. 87/2296 useless extension candidates. Maximal degree in co-relation 42945. Up to 591 conditions per place. [2021-03-26 17:59:01,976 INFO L142 LiptonReduction]: Number of co-enabled transitions 952 [2021-03-26 17:59:02,459 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:59:02,459 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 17:59:02,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1261 [2021-03-26 17:59:02,459 INFO L480 AbstractCegarLoop]: Abstraction has has 1007 places, 1321 transitions, 38975 flow [2021-03-26 17:59:02,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:02,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:59:02,460 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] [2021-03-26 17:59:02,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2021-03-26 17:59:02,460 INFO L428 AbstractCegarLoop]: === Iteration 263 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:59:02,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:59:02,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1259738832, now seen corresponding path program 2 times [2021-03-26 17:59:02,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:59:02,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990108839] [2021-03-26 17:59:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:59:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:59:02,466 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:59:02,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:59:02,471 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:59:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:59:02,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:02,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:59:02,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:02,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:59:02,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:02,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:59:02,509 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:59:02,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:59:02,527 INFO L142 QuantifierPusher]: treesize reduction 21, result has 53.3 percent of original size [2021-03-26 17:59:02,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 17:59:02,547 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 17:59:02,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:59:02,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:02,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 17:59:02,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:59:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:59:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:59:02,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990108839] [2021-03-26 17:59:02,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:59:02,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 17:59:02,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092135514] [2021-03-26 17:59:02,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 17:59:02,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:59:02,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 17:59:02,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-03-26 17:59:02,578 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 171 [2021-03-26 17:59:02,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1007 places, 1321 transitions, 38975 flow. Second operand has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:02,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:59:02,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 171 [2021-03-26 17:59:02,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:59:04,800 INFO L129 PetriNetUnfolder]: 1235/2613 cut-off events. [2021-03-26 17:59:04,800 INFO L130 PetriNetUnfolder]: For 465826/465847 co-relation queries the response was YES. [2021-03-26 17:59:04,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53993 conditions, 2613 events. 1235/2613 cut-off events. For 465826/465847 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 20440 event pairs, 145 based on Foata normal form. 14/2626 useless extension candidates. Maximal degree in co-relation 53593. Up to 2296 conditions per place. [2021-03-26 17:59:04,872 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 1230 selfloop transitions, 121 changer transitions 3/1362 dead transitions. [2021-03-26 17:59:04,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1362 transitions, 42983 flow [2021-03-26 17:59:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 17:59:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 17:59:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 554 transitions. [2021-03-26 17:59:04,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19057447540419675 [2021-03-26 17:59:04,874 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 554 transitions. [2021-03-26 17:59:04,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 554 transitions. [2021-03-26 17:59:04,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:59:04,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 554 transitions. [2021-03-26 17:59:04,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 32.588235294117645) internal successors, (554), 17 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) [2021-03-26 17:59:04,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:04,876 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 171.0) internal successors, (3078), 18 states have internal predecessors, (3078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:04,876 INFO L185 Difference]: Start difference. First operand has 1007 places, 1321 transitions, 38975 flow. Second operand 17 states and 554 transitions. [2021-03-26 17:59:04,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1362 transitions, 42983 flow [2021-03-26 17:59:08,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1009 places, 1362 transitions, 42571 flow, removed 85 selfloop flow, removed 14 redundant places. [2021-03-26 17:59:08,024 INFO L241 Difference]: Finished difference. Result has 1011 places, 1322 transitions, 38869 flow [2021-03-26 17:59:08,025 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=38567, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=38869, PETRI_PLACES=1011, PETRI_TRANSITIONS=1322} [2021-03-26 17:59:08,025 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 972 predicate places. [2021-03-26 17:59:08,025 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:59:08,025 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1011 places, 1322 transitions, 38869 flow [2021-03-26 17:59:08,025 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 1011 places, 1322 transitions, 38869 flow [2021-03-26 17:59:08,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1010 places, 1322 transitions, 38869 flow [2021-03-26 17:59:08,726 INFO L129 PetriNetUnfolder]: 988/2247 cut-off events. [2021-03-26 17:59:08,726 INFO L130 PetriNetUnfolder]: For 391102/391682 co-relation queries the response was YES. [2021-03-26 17:59:08,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43710 conditions, 2247 events. 988/2247 cut-off events. For 391102/391682 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 18506 event pairs, 43 based on Foata normal form. 84/2301 useless extension candidates. Maximal degree in co-relation 43317. Up to 593 conditions per place. [2021-03-26 17:59:08,818 INFO L142 LiptonReduction]: Number of co-enabled transitions 954 [2021-03-26 17:59:09,007 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:59:09,007 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:59:09,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 982 [2021-03-26 17:59:09,008 INFO L480 AbstractCegarLoop]: Abstraction has has 1010 places, 1322 transitions, 38869 flow [2021-03-26 17:59:09,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.09090909090909) internal successors, (298), 11 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:09,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:59:09,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 17:59:09,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2021-03-26 17:59:09,008 INFO L428 AbstractCegarLoop]: === Iteration 264 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:59:09,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:59:09,008 INFO L82 PathProgramCache]: Analyzing trace with hash 32007829, now seen corresponding path program 1 times [2021-03-26 17:59:09,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:59:09,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170528374] [2021-03-26 17:59:09,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:59:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:59:09,014 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:59:09,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:59:09,019 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:59:09,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:59:09,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:09,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:59:09,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:09,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:59:09,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:09,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:59:09,057 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:59:09,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:59:09,061 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:59:09,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:59:09,089 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:59:09,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:59:09,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:09,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:59:09,131 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:59:09,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:59:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:59:09,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170528374] [2021-03-26 17:59:09,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:59:09,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 17:59:09,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335365143] [2021-03-26 17:59:09,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 17:59:09,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:59:09,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 17:59:09,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-03-26 17:59:09,134 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 171 [2021-03-26 17:59:09,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1010 places, 1322 transitions, 38869 flow. Second operand has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:09,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:59:09,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 171 [2021-03-26 17:59:09,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:59:11,153 INFO L129 PetriNetUnfolder]: 1235/2605 cut-off events. [2021-03-26 17:59:11,153 INFO L130 PetriNetUnfolder]: For 461268/461289 co-relation queries the response was YES. [2021-03-26 17:59:11,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53845 conditions, 2605 events. 1235/2605 cut-off events. For 461268/461289 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 20326 event pairs, 196 based on Foata normal form. 13/2615 useless extension candidates. Maximal degree in co-relation 53449. Up to 2387 conditions per place. [2021-03-26 17:59:11,230 INFO L132 encePairwiseOnDemand]: 152/171 looper letters, 1259 selfloop transitions, 55 changer transitions 5/1327 dead transitions. [2021-03-26 17:59:11,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1327 transitions, 41664 flow [2021-03-26 17:59:11,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 17:59:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 17:59:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 425 transitions. [2021-03-26 17:59:11,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19118308591992803 [2021-03-26 17:59:11,231 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 425 transitions. [2021-03-26 17:59:11,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 425 transitions. [2021-03-26 17:59:11,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:59:11,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 425 transitions. [2021-03-26 17:59:11,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 32.69230769230769) internal successors, (425), 13 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:11,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 171.0) internal successors, (2394), 14 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:11,233 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 171.0) internal successors, (2394), 14 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:11,233 INFO L185 Difference]: Start difference. First operand has 1010 places, 1322 transitions, 38869 flow. Second operand 13 states and 425 transitions. [2021-03-26 17:59:11,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1327 transitions, 41664 flow [2021-03-26 17:59:14,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1006 places, 1327 transitions, 41321 flow, removed 26 selfloop flow, removed 16 redundant places. [2021-03-26 17:59:14,376 INFO L241 Difference]: Finished difference. Result has 1007 places, 1317 transitions, 38554 flow [2021-03-26 17:59:14,376 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=38528, PETRI_DIFFERENCE_MINUEND_PLACES=994, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=38554, PETRI_PLACES=1007, PETRI_TRANSITIONS=1317} [2021-03-26 17:59:14,377 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 968 predicate places. [2021-03-26 17:59:14,377 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:59:14,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1007 places, 1317 transitions, 38554 flow [2021-03-26 17:59:14,377 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 1007 places, 1317 transitions, 38554 flow [2021-03-26 17:59:14,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 999 places, 1317 transitions, 38554 flow [2021-03-26 17:59:15,058 INFO L129 PetriNetUnfolder]: 991/2237 cut-off events. [2021-03-26 17:59:15,058 INFO L130 PetriNetUnfolder]: For 389967/390489 co-relation queries the response was YES. [2021-03-26 17:59:15,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43210 conditions, 2237 events. 991/2237 cut-off events. For 389967/390489 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 18301 event pairs, 44 based on Foata normal form. 74/2278 useless extension candidates. Maximal degree in co-relation 42822. Up to 599 conditions per place. [2021-03-26 17:59:15,151 INFO L142 LiptonReduction]: Number of co-enabled transitions 952 [2021-03-26 17:59:15,337 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 17:59:15,337 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 17:59:15,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 960 [2021-03-26 17:59:15,337 INFO L480 AbstractCegarLoop]: Abstraction has has 999 places, 1317 transitions, 38554 flow [2021-03-26 17:59:15,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.1) internal successors, (271), 10 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:15,337 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 17:59:15,337 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] [2021-03-26 17:59:15,338 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2021-03-26 17:59:15,338 INFO L428 AbstractCegarLoop]: === Iteration 265 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 17:59:15,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 17:59:15,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1596436987, now seen corresponding path program 24 times [2021-03-26 17:59:15,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 17:59:15,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898289777] [2021-03-26 17:59:15,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 17:59:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 17:59:15,343 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-26 17:59:15,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 17:59:15,348 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 17:59:15,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 17:59:15,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:15,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 17:59:15,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:59:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 17:59:15,386 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:59:15,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:59:15,413 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 17:59:15,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 17:59:15,442 INFO L142 QuantifierPusher]: treesize reduction 22, result has 57.7 percent of original size [2021-03-26 17:59:15,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 17:59:15,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:59:15,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 17:59:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 17:59:15,501 INFO L142 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-03-26 17:59:15,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 17:59:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 17:59:15,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898289777] [2021-03-26 17:59:15,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 17:59:15,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 17:59:15,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672550583] [2021-03-26 17:59:15,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 17:59:15,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 17:59:15,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 17:59:15,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-03-26 17:59:15,504 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 171 [2021-03-26 17:59:15,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 999 places, 1317 transitions, 38554 flow. Second operand has 12 states, 12 states have (on average 27.0) internal successors, (324), 12 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:15,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 17:59:15,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 171 [2021-03-26 17:59:15,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 17:59:17,703 INFO L129 PetriNetUnfolder]: 1234/2596 cut-off events. [2021-03-26 17:59:17,703 INFO L130 PetriNetUnfolder]: For 456158/456179 co-relation queries the response was YES. [2021-03-26 17:59:17,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53400 conditions, 2596 events. 1234/2596 cut-off events. For 456158/456179 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 20178 event pairs, 175 based on Foata normal form. 18/2613 useless extension candidates. Maximal degree in co-relation 53005. Up to 2299 conditions per place. [2021-03-26 17:59:17,776 INFO L132 encePairwiseOnDemand]: 152/171 looper letters, 1211 selfloop transitions, 102 changer transitions 7/1328 dead transitions. [2021-03-26 17:59:17,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1328 transitions, 41607 flow [2021-03-26 17:59:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 17:59:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 17:59:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 600 transitions. [2021-03-26 17:59:17,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.18467220683287167 [2021-03-26 17:59:17,777 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 600 transitions. [2021-03-26 17:59:17,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 600 transitions. [2021-03-26 17:59:17,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 17:59:17,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 600 transitions. [2021-03-26 17:59:17,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.57894736842105) internal successors, (600), 19 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:17,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 171.0) internal successors, (3420), 20 states have internal predecessors, (3420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:17,779 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 171.0) internal successors, (3420), 20 states have internal predecessors, (3420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 17:59:17,779 INFO L185 Difference]: Start difference. First operand has 999 places, 1317 transitions, 38554 flow. Second operand 19 states and 600 transitions. [2021-03-26 17:59:17,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1328 transitions, 41607 flow [2021-03-26 17:59:20,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1008 places, 1328 transitions, 41531 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-26 17:59:20,996 INFO L241 Difference]: Finished difference. Result has 1010 places, 1311 transitions, 38704 flow [2021-03-26 17:59:20,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=38484, PETRI_DIFFERENCE_MINUEND_PLACES=990, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=38704, PETRI_PLACES=1010, PETRI_TRANSITIONS=1311} [2021-03-26 17:59:20,997 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 971 predicate places. [2021-03-26 17:59:20,997 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 17:59:20,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1010 places, 1311 transitions, 38704 flow [2021-03-26 17:59:20,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 1010 places, 1311 transitions, 38704 flow [2021-03-26 17:59:21,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1006 places, 1311 transitions, 38704 flow Received shutdown request... [2021-03-26 17:59:21,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2021-03-26 17:59:21,304 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 17:59:21,306 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 17:59:21,306 INFO L202 PluginConnector]: Adding new model easy10.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 05:59:21 BasicIcfg [2021-03-26 17:59:21,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 17:59:21,307 INFO L168 Benchmark]: Toolchain (without parser) took 817700.25 ms. Allocated memory was 255.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 236.5 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-03-26 17:59:21,307 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 171.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 17:59:21,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.97 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 17:59:21,307 INFO L168 Benchmark]: Boogie Preprocessor took 12.26 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 234.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 17:59:21,307 INFO L168 Benchmark]: RCFGBuilder took 275.64 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 237.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-26 17:59:21,307 INFO L168 Benchmark]: TraceAbstraction took 817387.53 ms. Allocated memory was 255.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 237.4 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-03-26 17:59:21,307 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 0.15 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 171.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.97 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.26 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 234.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 275.64 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 237.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 817387.53 ms. Allocated memory was 255.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 237.4 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 352.8ms, 52 PlacesBefore, 39 PlacesAfterwards, 39 TransitionsBefore, 26 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 936 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 501, positive: 465, positive conditional: 465, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 501, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 501, positive: 465, positive conditional: 0, positive unconditional: 465, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 451, positive: 420, positive conditional: 0, positive unconditional: 420, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 451, positive: 416, positive conditional: 0, positive unconditional: 416, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 501, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 451, unknown conditional: 0, unknown unconditional: 451] , Statistics on independence cache: Total cache size (in pairs): 451, Positive cache size: 420, Positive conditional cache size: 0, Positive unconditional cache size: 420, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.4ms, 34 PlacesBefore, 32 PlacesAfterwards, 26 TransitionsBefore, 24 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 521 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 244, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 244, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 244, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 244, positive: 161, positive conditional: 0, positive unconditional: 161, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , Statistics on independence cache: Total cache size (in pairs): 499, Positive cache size: 468, Positive conditional cache size: 0, Positive unconditional cache size: 468, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.6ms, 33 PlacesBefore, 31 PlacesAfterwards, 24 TransitionsBefore, 22 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 315 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 173, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 173, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 44, unknown conditional: 0, unknown unconditional: 44] , Statistics on independence cache: Total cache size (in pairs): 543, Positive cache size: 512, Positive conditional cache size: 0, Positive unconditional cache size: 512, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Eliminated conditions: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 146.7ms, 57 PlacesBefore, 55 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 330 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 546, Positive cache size: 514, Positive conditional cache size: 2, Positive unconditional cache size: 512, Negative cache size: 32, Negative conditional cache size: 1, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.7ms, 53 PlacesBefore, 53 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 546, Positive cache size: 514, Positive conditional cache size: 2, Positive unconditional cache size: 512, Negative cache size: 32, Negative conditional cache size: 1, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.1ms, 62 PlacesBefore, 61 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 546, Positive cache size: 514, Positive conditional cache size: 2, Positive unconditional cache size: 512, Negative cache size: 32, Negative conditional cache size: 1, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.1ms, 65 PlacesBefore, 59 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 49 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 522, Positive conditional cache size: 2, Positive unconditional cache size: 520, Negative cache size: 32, Negative conditional cache size: 1, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.4ms, 76 PlacesBefore, 73 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 18 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 17, positive conditional: 6, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 555, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 32, Negative conditional cache size: 1, Negative unconditional cache size: 31, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.8ms, 96 PlacesBefore, 94 PlacesAfterwards, 159 TransitionsBefore, 159 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 103 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 103, positive: 103, positive conditional: 51, positive unconditional: 52, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 103, positive: 103, positive conditional: 51, positive unconditional: 52, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, positive: 103, positive conditional: 51, positive unconditional: 52, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 555, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 32, Negative conditional cache size: 1, Negative unconditional cache size: 31, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 215.6ms, 115 PlacesBefore, 114 PlacesAfterwards, 177 TransitionsBefore, 177 TransitionsAfterwards, 476 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 185 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 185, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 189, positive: 183, positive conditional: 108, positive unconditional: 75, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 189, positive: 183, positive conditional: 108, positive unconditional: 75, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 189, positive: 183, positive conditional: 108, positive unconditional: 75, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.5ms, 107 PlacesBefore, 107 PlacesAfterwards, 156 TransitionsBefore, 156 TransitionsAfterwards, 344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.5ms, 121 PlacesBefore, 121 PlacesAfterwards, 178 TransitionsBefore, 178 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 120, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 120, positive: 120, positive conditional: 78, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 78, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 120, positive: 120, positive conditional: 78, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.9ms, 142 PlacesBefore, 140 PlacesAfterwards, 219 TransitionsBefore, 219 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 92 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 92, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 92, positive: 92, positive conditional: 64, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 92, positive conditional: 64, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, positive: 92, positive conditional: 64, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 140.1ms, 150 PlacesBefore, 150 PlacesAfterwards, 220 TransitionsBefore, 220 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.0ms, 167 PlacesBefore, 161 PlacesAfterwards, 234 TransitionsBefore, 234 TransitionsAfterwards, 358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.0ms, 176 PlacesBefore, 175 PlacesAfterwards, 253 TransitionsBefore, 253 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 104 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 104, positive: 104, positive conditional: 104, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 104, positive: 104, positive conditional: 74, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 104, positive conditional: 74, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 104, positive: 104, positive conditional: 74, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.5ms, 186 PlacesBefore, 185 PlacesAfterwards, 256 TransitionsBefore, 256 TransitionsAfterwards, 376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 132.5ms, 189 PlacesBefore, 189 PlacesAfterwards, 266 TransitionsBefore, 266 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 56 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 56, positive: 56, positive conditional: 40, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 56, positive conditional: 40, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56, positive: 56, positive conditional: 40, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.3ms, 199 PlacesBefore, 197 PlacesAfterwards, 267 TransitionsBefore, 267 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.8ms, 200 PlacesBefore, 200 PlacesAfterwards, 271 TransitionsBefore, 271 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.6ms, 204 PlacesBefore, 204 PlacesAfterwards, 270 TransitionsBefore, 270 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.7ms, 203 PlacesBefore, 201 PlacesAfterwards, 271 TransitionsBefore, 271 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.2ms, 204 PlacesBefore, 202 PlacesAfterwards, 273 TransitionsBefore, 273 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.6ms, 207 PlacesBefore, 203 PlacesAfterwards, 269 TransitionsBefore, 269 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 93.0ms, 203 PlacesBefore, 201 PlacesAfterwards, 276 TransitionsBefore, 276 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.4ms, 207 PlacesBefore, 204 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.7ms, 205 PlacesBefore, 201 PlacesAfterwards, 272 TransitionsBefore, 272 TransitionsAfterwards, 406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 133.2ms, 207 PlacesBefore, 205 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 63 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63, positive: 63, positive conditional: 46, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 63, positive conditional: 46, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 63, positive conditional: 46, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.3ms, 207 PlacesBefore, 203 PlacesAfterwards, 275 TransitionsBefore, 275 TransitionsAfterwards, 402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.5ms, 202 PlacesBefore, 201 PlacesAfterwards, 273 TransitionsBefore, 273 TransitionsAfterwards, 400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.4ms, 202 PlacesBefore, 196 PlacesAfterwards, 268 TransitionsBefore, 268 TransitionsAfterwards, 396 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.4ms, 200 PlacesBefore, 198 PlacesAfterwards, 267 TransitionsBefore, 267 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.6ms, 198 PlacesBefore, 194 PlacesAfterwards, 264 TransitionsBefore, 264 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.0ms, 206 PlacesBefore, 202 PlacesAfterwards, 266 TransitionsBefore, 266 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.2ms, 206 PlacesBefore, 196 PlacesAfterwards, 259 TransitionsBefore, 259 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.7ms, 196 PlacesBefore, 196 PlacesAfterwards, 261 TransitionsBefore, 261 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.7ms, 198 PlacesBefore, 197 PlacesAfterwards, 272 TransitionsBefore, 272 TransitionsAfterwards, 388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.5ms, 202 PlacesBefore, 201 PlacesAfterwards, 280 TransitionsBefore, 280 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.8ms, 222 PlacesBefore, 220 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.9ms, 230 PlacesBefore, 229 PlacesAfterwards, 347 TransitionsBefore, 347 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.9ms, 233 PlacesBefore, 233 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 424 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.5ms, 239 PlacesBefore, 236 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.0ms, 240 PlacesBefore, 238 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.3ms, 241 PlacesBefore, 239 PlacesAfterwards, 348 TransitionsBefore, 348 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.0ms, 239 PlacesBefore, 235 PlacesAfterwards, 341 TransitionsBefore, 341 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.4ms, 240 PlacesBefore, 237 PlacesAfterwards, 340 TransitionsBefore, 340 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.3ms, 244 PlacesBefore, 243 PlacesAfterwards, 369 TransitionsBefore, 369 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.7ms, 260 PlacesBefore, 259 PlacesAfterwards, 379 TransitionsBefore, 379 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.5ms, 266 PlacesBefore, 265 PlacesAfterwards, 384 TransitionsBefore, 384 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.5ms, 274 PlacesBefore, 273 PlacesAfterwards, 394 TransitionsBefore, 394 TransitionsAfterwards, 442 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 180.6ms, 289 PlacesBefore, 288 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.6ms, 298 PlacesBefore, 298 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129.7ms, 308 PlacesBefore, 307 PlacesAfterwards, 440 TransitionsBefore, 440 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.6ms, 311 PlacesBefore, 310 PlacesAfterwards, 440 TransitionsBefore, 440 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.1ms, 312 PlacesBefore, 306 PlacesAfterwards, 437 TransitionsBefore, 436 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.5ms, 305 PlacesBefore, 294 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.0ms, 298 PlacesBefore, 298 PlacesAfterwards, 433 TransitionsBefore, 433 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129.9ms, 309 PlacesBefore, 303 PlacesAfterwards, 429 TransitionsBefore, 429 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.9ms, 309 PlacesBefore, 309 PlacesAfterwards, 439 TransitionsBefore, 439 TransitionsAfterwards, 508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 133.9ms, 319 PlacesBefore, 319 PlacesAfterwards, 456 TransitionsBefore, 456 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.7ms, 323 PlacesBefore, 322 PlacesAfterwards, 462 TransitionsBefore, 462 TransitionsAfterwards, 532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.0ms, 330 PlacesBefore, 326 PlacesAfterwards, 460 TransitionsBefore, 460 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.9ms, 324 PlacesBefore, 322 PlacesAfterwards, 461 TransitionsBefore, 461 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139.3ms, 331 PlacesBefore, 328 PlacesAfterwards, 458 TransitionsBefore, 458 TransitionsAfterwards, 526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 167.2ms, 325 PlacesBefore, 321 PlacesAfterwards, 456 TransitionsBefore, 456 TransitionsAfterwards, 524 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.9ms, 327 PlacesBefore, 321 PlacesAfterwards, 453 TransitionsBefore, 453 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 152.7ms, 321 PlacesBefore, 317 PlacesAfterwards, 451 TransitionsBefore, 451 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.0ms, 321 PlacesBefore, 319 PlacesAfterwards, 452 TransitionsBefore, 452 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.6ms, 323 PlacesBefore, 320 PlacesAfterwards, 455 TransitionsBefore, 454 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142.0ms, 324 PlacesBefore, 322 PlacesAfterwards, 455 TransitionsBefore, 455 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.2ms, 325 PlacesBefore, 323 PlacesAfterwards, 455 TransitionsBefore, 455 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 133.1ms, 325 PlacesBefore, 324 PlacesAfterwards, 458 TransitionsBefore, 458 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 143.7ms, 335 PlacesBefore, 332 PlacesAfterwards, 464 TransitionsBefore, 464 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 138.9ms, 338 PlacesBefore, 336 PlacesAfterwards, 465 TransitionsBefore, 465 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.2ms, 340 PlacesBefore, 338 PlacesAfterwards, 464 TransitionsBefore, 464 TransitionsAfterwards, 508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.0ms, 350 PlacesBefore, 348 PlacesAfterwards, 478 TransitionsBefore, 478 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 237.2ms, 357 PlacesBefore, 354 PlacesAfterwards, 484 TransitionsBefore, 484 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 170.0ms, 362 PlacesBefore, 362 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.6ms, 386 PlacesBefore, 383 PlacesAfterwards, 514 TransitionsBefore, 514 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 191.5ms, 399 PlacesBefore, 395 PlacesAfterwards, 535 TransitionsBefore, 535 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.5ms, 405 PlacesBefore, 405 PlacesAfterwards, 536 TransitionsBefore, 536 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.7ms, 407 PlacesBefore, 401 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 192.9ms, 402 PlacesBefore, 395 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.6ms, 398 PlacesBefore, 396 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.6ms, 399 PlacesBefore, 398 PlacesAfterwards, 528 TransitionsBefore, 528 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 174.7ms, 402 PlacesBefore, 401 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.1ms, 402 PlacesBefore, 398 PlacesAfterwards, 524 TransitionsBefore, 524 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 172.8ms, 402 PlacesBefore, 398 PlacesAfterwards, 522 TransitionsBefore, 522 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.8ms, 397 PlacesBefore, 393 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 170.3ms, 398 PlacesBefore, 396 PlacesAfterwards, 521 TransitionsBefore, 521 TransitionsAfterwards, 554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.8ms, 396 PlacesBefore, 395 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.5ms, 397 PlacesBefore, 390 PlacesAfterwards, 516 TransitionsBefore, 516 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 163.4ms, 393 PlacesBefore, 389 PlacesAfterwards, 512 TransitionsBefore, 512 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.2ms, 403 PlacesBefore, 397 PlacesAfterwards, 515 TransitionsBefore, 515 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.8ms, 402 PlacesBefore, 402 PlacesAfterwards, 519 TransitionsBefore, 519 TransitionsAfterwards, 542 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 214.1ms, 403 PlacesBefore, 396 PlacesAfterwards, 514 TransitionsBefore, 514 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.6ms, 397 PlacesBefore, 395 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.7ms, 403 PlacesBefore, 401 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.2ms, 407 PlacesBefore, 407 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.9ms, 411 PlacesBefore, 410 PlacesAfterwards, 525 TransitionsBefore, 525 TransitionsAfterwards, 526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 279.5ms, 421 PlacesBefore, 418 PlacesAfterwards, 546 TransitionsBefore, 546 TransitionsAfterwards, 546 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 264.6ms, 437 PlacesBefore, 435 PlacesAfterwards, 554 TransitionsBefore, 553 TransitionsAfterwards, 548 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 234.7ms, 448 PlacesBefore, 447 PlacesAfterwards, 568 TransitionsBefore, 568 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 219.5ms, 460 PlacesBefore, 459 PlacesAfterwards, 580 TransitionsBefore, 580 TransitionsAfterwards, 566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 360.3ms, 473 PlacesBefore, 472 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 340.4ms, 483 PlacesBefore, 482 PlacesAfterwards, 618 TransitionsBefore, 618 TransitionsAfterwards, 594 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.1ms, 495 PlacesBefore, 494 PlacesAfterwards, 645 TransitionsBefore, 645 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 357.6ms, 504 PlacesBefore, 504 PlacesAfterwards, 655 TransitionsBefore, 655 TransitionsAfterwards, 624 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 276.0ms, 511 PlacesBefore, 510 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 266.7ms, 513 PlacesBefore, 511 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 265.7ms, 514 PlacesBefore, 508 PlacesAfterwards, 653 TransitionsBefore, 653 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 308.1ms, 519 PlacesBefore, 515 PlacesAfterwards, 672 TransitionsBefore, 672 TransitionsAfterwards, 574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 279.4ms, 521 PlacesBefore, 517 PlacesAfterwards, 668 TransitionsBefore, 668 TransitionsAfterwards, 574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 279.1ms, 516 PlacesBefore, 515 PlacesAfterwards, 671 TransitionsBefore, 671 TransitionsAfterwards, 578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 285.1ms, 524 PlacesBefore, 524 PlacesAfterwards, 676 TransitionsBefore, 676 TransitionsAfterwards, 578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 308.2ms, 530 PlacesBefore, 529 PlacesAfterwards, 683 TransitionsBefore, 683 TransitionsAfterwards, 580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 300.2ms, 540 PlacesBefore, 537 PlacesAfterwards, 684 TransitionsBefore, 684 TransitionsAfterwards, 578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 435.9ms, 542 PlacesBefore, 542 PlacesAfterwards, 702 TransitionsBefore, 702 TransitionsAfterwards, 592 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 419.0ms, 546 PlacesBefore, 536 PlacesAfterwards, 696 TransitionsBefore, 696 TransitionsAfterwards, 592 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 416.3ms, 543 PlacesBefore, 543 PlacesAfterwards, 710 TransitionsBefore, 710 TransitionsAfterwards, 634 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 502.1ms, 550 PlacesBefore, 550 PlacesAfterwards, 715 TransitionsBefore, 715 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 381.9ms, 553 PlacesBefore, 552 PlacesAfterwards, 717 TransitionsBefore, 717 TransitionsAfterwards, 632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 333.5ms, 556 PlacesBefore, 556 PlacesAfterwards, 736 TransitionsBefore, 736 TransitionsAfterwards, 618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 331.6ms, 559 PlacesBefore, 558 PlacesAfterwards, 735 TransitionsBefore, 735 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 332.7ms, 566 PlacesBefore, 565 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 358.7ms, 569 PlacesBefore, 567 PlacesAfterwards, 741 TransitionsBefore, 741 TransitionsAfterwards, 628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 441.9ms, 570 PlacesBefore, 566 PlacesAfterwards, 739 TransitionsBefore, 739 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.3ms, 572 PlacesBefore, 566 PlacesAfterwards, 732 TransitionsBefore, 732 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 382.0ms, 571 PlacesBefore, 571 PlacesAfterwards, 769 TransitionsBefore, 769 TransitionsAfterwards, 632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 352.1ms, 580 PlacesBefore, 574 PlacesAfterwards, 764 TransitionsBefore, 764 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 411.7ms, 578 PlacesBefore, 578 PlacesAfterwards, 778 TransitionsBefore, 778 TransitionsAfterwards, 622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.2ms, 585 PlacesBefore, 585 PlacesAfterwards, 810 TransitionsBefore, 810 TransitionsAfterwards, 642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 369.8ms, 594 PlacesBefore, 591 PlacesAfterwards, 808 TransitionsBefore, 808 TransitionsAfterwards, 640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 397.4ms, 598 PlacesBefore, 597 PlacesAfterwards, 827 TransitionsBefore, 827 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.5ms, 608 PlacesBefore, 607 PlacesAfterwards, 834 TransitionsBefore, 834 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 546.8ms, 615 PlacesBefore, 613 PlacesAfterwards, 852 TransitionsBefore, 852 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 634.6ms, 623 PlacesBefore, 622 PlacesAfterwards, 855 TransitionsBefore, 855 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 566.8ms, 631 PlacesBefore, 630 PlacesAfterwards, 860 TransitionsBefore, 860 TransitionsAfterwards, 662 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 634.4ms, 635 PlacesBefore, 633 PlacesAfterwards, 860 TransitionsBefore, 860 TransitionsAfterwards, 662 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 471.8ms, 642 PlacesBefore, 638 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 664 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 426.4ms, 644 PlacesBefore, 642 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 664 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 434.4ms, 646 PlacesBefore, 645 PlacesAfterwards, 863 TransitionsBefore, 863 TransitionsAfterwards, 662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 424.6ms, 648 PlacesBefore, 645 PlacesAfterwards, 861 TransitionsBefore, 861 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 425.3ms, 645 PlacesBefore, 637 PlacesAfterwards, 856 TransitionsBefore, 856 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 415.0ms, 643 PlacesBefore, 639 PlacesAfterwards, 853 TransitionsBefore, 853 TransitionsAfterwards, 656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 418.4ms, 640 PlacesBefore, 635 PlacesAfterwards, 849 TransitionsBefore, 849 TransitionsAfterwards, 656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 428.6ms, 633 PlacesBefore, 628 PlacesAfterwards, 846 TransitionsBefore, 846 TransitionsAfterwards, 650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 423.1ms, 639 PlacesBefore, 638 PlacesAfterwards, 859 TransitionsBefore, 859 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 548.6ms, 648 PlacesBefore, 644 PlacesAfterwards, 864 TransitionsBefore, 864 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 684.3ms, 660 PlacesBefore, 659 PlacesAfterwards, 917 TransitionsBefore, 917 TransitionsAfterwards, 710 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 494.9ms, 668 PlacesBefore, 665 PlacesAfterwards, 914 TransitionsBefore, 914 TransitionsAfterwards, 710 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 524.9ms, 669 PlacesBefore, 669 PlacesAfterwards, 948 TransitionsBefore, 948 TransitionsAfterwards, 726 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 593.3ms, 684 PlacesBefore, 682 PlacesAfterwards, 978 TransitionsBefore, 978 TransitionsAfterwards, 754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 550.5ms, 688 PlacesBefore, 687 PlacesAfterwards, 981 TransitionsBefore, 981 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 808.8ms, 701 PlacesBefore, 700 PlacesAfterwards, 1011 TransitionsBefore, 1011 TransitionsAfterwards, 786 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 861.8ms, 718 PlacesBefore, 715 PlacesAfterwards, 1044 TransitionsBefore, 1044 TransitionsAfterwards, 808 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 715.3ms, 732 PlacesBefore, 731 PlacesAfterwards, 1064 TransitionsBefore, 1064 TransitionsAfterwards, 820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 700.4ms, 735 PlacesBefore, 734 PlacesAfterwards, 1069 TransitionsBefore, 1069 TransitionsAfterwards, 820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 717.3ms, 745 PlacesBefore, 741 PlacesAfterwards, 1071 TransitionsBefore, 1071 TransitionsAfterwards, 820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1143.4ms, 751 PlacesBefore, 745 PlacesAfterwards, 1085 TransitionsBefore, 1085 TransitionsAfterwards, 820 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 910.4ms, 760 PlacesBefore, 759 PlacesAfterwards, 1093 TransitionsBefore, 1093 TransitionsAfterwards, 830 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 678.8ms, 761 PlacesBefore, 760 PlacesAfterwards, 1096 TransitionsBefore, 1096 TransitionsAfterwards, 830 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 693.2ms, 765 PlacesBefore, 765 PlacesAfterwards, 1095 TransitionsBefore, 1095 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 709.4ms, 767 PlacesBefore, 766 PlacesAfterwards, 1095 TransitionsBefore, 1095 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 720.2ms, 765 PlacesBefore, 759 PlacesAfterwards, 1091 TransitionsBefore, 1091 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 719.2ms, 765 PlacesBefore, 763 PlacesAfterwards, 1096 TransitionsBefore, 1096 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 714.0ms, 768 PlacesBefore, 766 PlacesAfterwards, 1098 TransitionsBefore, 1098 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 708.4ms, 772 PlacesBefore, 769 PlacesAfterwards, 1100 TransitionsBefore, 1100 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 720.0ms, 769 PlacesBefore, 768 PlacesAfterwards, 1102 TransitionsBefore, 1102 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 717.7ms, 772 PlacesBefore, 765 PlacesAfterwards, 1093 TransitionsBefore, 1093 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 927.7ms, 772 PlacesBefore, 771 PlacesAfterwards, 1107 TransitionsBefore, 1107 TransitionsAfterwards, 844 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 699.1ms, 779 PlacesBefore, 778 PlacesAfterwards, 1119 TransitionsBefore, 1119 TransitionsAfterwards, 844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 707.5ms, 786 PlacesBefore, 783 PlacesAfterwards, 1117 TransitionsBefore, 1117 TransitionsAfterwards, 844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 751.0ms, 789 PlacesBefore, 787 PlacesAfterwards, 1129 TransitionsBefore, 1129 TransitionsAfterwards, 894 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 689.4ms, 790 PlacesBefore, 789 PlacesAfterwards, 1130 TransitionsBefore, 1130 TransitionsAfterwards, 898 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 706.2ms, 792 PlacesBefore, 788 PlacesAfterwards, 1127 TransitionsBefore, 1127 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 690.0ms, 791 PlacesBefore, 787 PlacesAfterwards, 1125 TransitionsBefore, 1125 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 698.3ms, 791 PlacesBefore, 790 PlacesAfterwards, 1129 TransitionsBefore, 1129 TransitionsAfterwards, 882 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 931.0ms, 800 PlacesBefore, 800 PlacesAfterwards, 1137 TransitionsBefore, 1137 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 724.2ms, 813 PlacesBefore, 813 PlacesAfterwards, 1142 TransitionsBefore, 1142 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 720.8ms, 814 PlacesBefore, 813 PlacesAfterwards, 1138 TransitionsBefore, 1138 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 708.9ms, 809 PlacesBefore, 807 PlacesAfterwards, 1135 TransitionsBefore, 1135 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 979.6ms, 818 PlacesBefore, 818 PlacesAfterwards, 1150 TransitionsBefore, 1150 TransitionsAfterwards, 894 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1016.5ms, 827 PlacesBefore, 824 PlacesAfterwards, 1153 TransitionsBefore, 1153 TransitionsAfterwards, 894 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 741.8ms, 827 PlacesBefore, 827 PlacesAfterwards, 1152 TransitionsBefore, 1152 TransitionsAfterwards, 890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 731.6ms, 825 PlacesBefore, 824 PlacesAfterwards, 1150 TransitionsBefore, 1150 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 789.1ms, 825 PlacesBefore, 824 PlacesAfterwards, 1147 TransitionsBefore, 1147 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 744.1ms, 826 PlacesBefore, 825 PlacesAfterwards, 1155 TransitionsBefore, 1155 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 986.7ms, 830 PlacesBefore, 828 PlacesAfterwards, 1159 TransitionsBefore, 1158 TransitionsAfterwards, 890 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 744.9ms, 832 PlacesBefore, 831 PlacesAfterwards, 1163 TransitionsBefore, 1163 TransitionsAfterwards, 890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 840.7ms, 844 PlacesBefore, 841 PlacesAfterwards, 1172 TransitionsBefore, 1172 TransitionsAfterwards, 900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 771.8ms, 849 PlacesBefore, 848 PlacesAfterwards, 1173 TransitionsBefore, 1173 TransitionsAfterwards, 900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 794.2ms, 853 PlacesBefore, 852 PlacesAfterwards, 1187 TransitionsBefore, 1187 TransitionsAfterwards, 902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 777.3ms, 860 PlacesBefore, 859 PlacesAfterwards, 1184 TransitionsBefore, 1184 TransitionsAfterwards, 902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 834.7ms, 863 PlacesBefore, 862 PlacesAfterwards, 1212 TransitionsBefore, 1212 TransitionsAfterwards, 918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 794.2ms, 872 PlacesBefore, 867 PlacesAfterwards, 1208 TransitionsBefore, 1208 TransitionsAfterwards, 918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1056.5ms, 867 PlacesBefore, 865 PlacesAfterwards, 1211 TransitionsBefore, 1210 TransitionsAfterwards, 920 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 982.1ms, 866 PlacesBefore, 864 PlacesAfterwards, 1215 TransitionsBefore, 1214 TransitionsAfterwards, 922 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 861.0ms, 876 PlacesBefore, 873 PlacesAfterwards, 1216 TransitionsBefore, 1216 TransitionsAfterwards, 920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 818.3ms, 872 PlacesBefore, 869 PlacesAfterwards, 1221 TransitionsBefore, 1221 TransitionsAfterwards, 926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1094.5ms, 878 PlacesBefore, 876 PlacesAfterwards, 1223 TransitionsBefore, 1223 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 832.9ms, 880 PlacesBefore, 879 PlacesAfterwards, 1222 TransitionsBefore, 1222 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1074.4ms, 883 PlacesBefore, 881 PlacesAfterwards, 1222 TransitionsBefore, 1222 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 819.1ms, 882 PlacesBefore, 877 PlacesAfterwards, 1219 TransitionsBefore, 1219 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 808.7ms, 876 PlacesBefore, 876 PlacesAfterwards, 1218 TransitionsBefore, 1218 TransitionsAfterwards, 922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 855.9ms, 882 PlacesBefore, 879 PlacesAfterwards, 1225 TransitionsBefore, 1225 TransitionsAfterwards, 928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 955.0ms, 893 PlacesBefore, 891 PlacesAfterwards, 1240 TransitionsBefore, 1240 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 860.8ms, 894 PlacesBefore, 893 PlacesAfterwards, 1244 TransitionsBefore, 1244 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1125.0ms, 901 PlacesBefore, 897 PlacesAfterwards, 1242 TransitionsBefore, 1242 TransitionsAfterwards, 938 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1139.3ms, 899 PlacesBefore, 899 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 848.7ms, 906 PlacesBefore, 901 PlacesAfterwards, 1248 TransitionsBefore, 1248 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 865.1ms, 900 PlacesBefore, 899 PlacesAfterwards, 1248 TransitionsBefore, 1248 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 851.5ms, 905 PlacesBefore, 904 PlacesAfterwards, 1248 TransitionsBefore, 1248 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1147.3ms, 908 PlacesBefore, 906 PlacesAfterwards, 1255 TransitionsBefore, 1254 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 869.1ms, 910 PlacesBefore, 907 PlacesAfterwards, 1253 TransitionsBefore, 1253 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1113.5ms, 909 PlacesBefore, 904 PlacesAfterwards, 1249 TransitionsBefore, 1249 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 856.5ms, 906 PlacesBefore, 904 PlacesAfterwards, 1252 TransitionsBefore, 1252 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 861.4ms, 908 PlacesBefore, 904 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 937.9ms, 909 PlacesBefore, 907 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1133.9ms, 912 PlacesBefore, 910 PlacesAfterwards, 1253 TransitionsBefore, 1252 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 852.7ms, 914 PlacesBefore, 912 PlacesAfterwards, 1252 TransitionsBefore, 1252 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 863.1ms, 913 PlacesBefore, 910 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 846.4ms, 911 PlacesBefore, 909 PlacesAfterwards, 1249 TransitionsBefore, 1249 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 862.7ms, 911 PlacesBefore, 909 PlacesAfterwards, 1250 TransitionsBefore, 1250 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 884.0ms, 918 PlacesBefore, 917 PlacesAfterwards, 1260 TransitionsBefore, 1260 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1164.0ms, 924 PlacesBefore, 922 PlacesAfterwards, 1263 TransitionsBefore, 1262 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 884.4ms, 923 PlacesBefore, 921 PlacesAfterwards, 1262 TransitionsBefore, 1262 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 874.2ms, 924 PlacesBefore, 922 PlacesAfterwards, 1259 TransitionsBefore, 1259 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 897.3ms, 922 PlacesBefore, 920 PlacesAfterwards, 1259 TransitionsBefore, 1259 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1124.1ms, 926 PlacesBefore, 926 PlacesAfterwards, 1260 TransitionsBefore, 1260 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 874.7ms, 934 PlacesBefore, 930 PlacesAfterwards, 1258 TransitionsBefore, 1258 TransitionsAfterwards, 952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 866.1ms, 934 PlacesBefore, 932 PlacesAfterwards, 1261 TransitionsBefore, 1261 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 921.5ms, 935 PlacesBefore, 933 PlacesAfterwards, 1259 TransitionsBefore, 1259 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 985.3ms, 939 PlacesBefore, 934 PlacesAfterwards, 1257 TransitionsBefore, 1257 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 876.0ms, 930 PlacesBefore, 924 PlacesAfterwards, 1253 TransitionsBefore, 1253 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 899.1ms, 930 PlacesBefore, 927 PlacesAfterwards, 1257 TransitionsBefore, 1257 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1226.9ms, 944 PlacesBefore, 937 PlacesAfterwards, 1256 TransitionsBefore, 1256 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 885.3ms, 937 PlacesBefore, 934 PlacesAfterwards, 1256 TransitionsBefore, 1256 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1181.1ms, 939 PlacesBefore, 935 PlacesAfterwards, 1260 TransitionsBefore, 1260 TransitionsAfterwards, 944 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1165.7ms, 938 PlacesBefore, 936 PlacesAfterwards, 1264 TransitionsBefore, 1264 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 893.1ms, 941 PlacesBefore, 940 PlacesAfterwards, 1267 TransitionsBefore, 1267 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 908.4ms, 952 PlacesBefore, 949 PlacesAfterwards, 1273 TransitionsBefore, 1273 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 897.9ms, 960 PlacesBefore, 959 PlacesAfterwards, 1280 TransitionsBefore, 1280 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 913.0ms, 968 PlacesBefore, 964 PlacesAfterwards, 1277 TransitionsBefore, 1277 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 910.5ms, 967 PlacesBefore, 960 PlacesAfterwards, 1275 TransitionsBefore, 1275 TransitionsAfterwards, 946 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 912.9ms, 964 PlacesBefore, 963 PlacesAfterwards, 1284 TransitionsBefore, 1284 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 935.9ms, 969 PlacesBefore, 967 PlacesAfterwards, 1296 TransitionsBefore, 1296 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 921.5ms, 977 PlacesBefore, 971 PlacesAfterwards, 1293 TransitionsBefore, 1293 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 955.9ms, 972 PlacesBefore, 970 PlacesAfterwards, 1294 TransitionsBefore, 1294 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 944.4ms, 975 PlacesBefore, 971 PlacesAfterwards, 1292 TransitionsBefore, 1292 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 934.1ms, 979 PlacesBefore, 975 PlacesAfterwards, 1291 TransitionsBefore, 1291 TransitionsAfterwards, 966 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 972.3ms, 984 PlacesBefore, 983 PlacesAfterwards, 1305 TransitionsBefore, 1305 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1233.5ms, 990 PlacesBefore, 986 PlacesAfterwards, 1307 TransitionsBefore, 1307 TransitionsAfterwards, 964 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 929.8ms, 989 PlacesBefore, 984 PlacesAfterwards, 1303 TransitionsBefore, 1303 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 956.0ms, 989 PlacesBefore, 985 PlacesAfterwards, 1304 TransitionsBefore, 1304 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 957.4ms, 990 PlacesBefore, 987 PlacesAfterwards, 1301 TransitionsBefore, 1301 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 950.6ms, 986 PlacesBefore, 986 PlacesAfterwards, 1300 TransitionsBefore, 1300 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 954.4ms, 992 PlacesBefore, 991 PlacesAfterwards, 1300 TransitionsBefore, 1300 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 932.8ms, 989 PlacesBefore, 977 PlacesAfterwards, 1293 TransitionsBefore, 1293 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 939.8ms, 987 PlacesBefore, 986 PlacesAfterwards, 1302 TransitionsBefore, 1302 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 981.7ms, 993 PlacesBefore, 992 PlacesAfterwards, 1316 TransitionsBefore, 1316 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 985.1ms, 1007 PlacesBefore, 1006 PlacesAfterwards, 1328 TransitionsBefore, 1328 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1261.1ms, 1014 PlacesBefore, 1007 PlacesAfterwards, 1322 TransitionsBefore, 1321 TransitionsAfterwards, 952 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 982.5ms, 1011 PlacesBefore, 1010 PlacesAfterwards, 1322 TransitionsBefore, 1322 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 960.3ms, 1007 PlacesBefore, 999 PlacesAfterwards, 1317 TransitionsBefore, 1317 TransitionsAfterwards, 952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 523, Positive conditional cache size: 2, Positive unconditional cache size: 521, Negative cache size: 35, Negative conditional cache size: 4, Negative unconditional cache size: 31, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 79). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 1010 places, 1311 transitions, 38704 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 1010 places, 1311 transitions, 38704 flow,while PetriNetUnfolder was constructing finite prefix that currently has 20032 conditions, 807 events (329/806 cut-off events. For 201253/201620 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 7278 event pairs, 33 based on Foata normal form. 37/1137 useless extension candidates. Maximal degree in co-relation 19657. Up to 269 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 817202.4ms, OverallIterations: 265, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 649121.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 472.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 10512 SDtfs, 5623 SDslu, 14118 SDs, 0 SdLazy, 184354 SolverSat, 3599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60211.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4121 GetRequests, 168 SyntacticMatches, 263 SemanticMatches, 3690 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3745 ImplicationChecksByTransitivity, 45373.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=39138occurred in iteration=261, InterpolantAutomatonStates: 3833, 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: 119.6ms SsaConstructionTime, 520.7ms SatisfiabilityAnalysisTime, 31745.1ms InterpolantComputationTime, 5101 NumberOfCodeBlocks, 5101 NumberOfCodeBlocksAsserted, 265 NumberOfCheckSat, 4836 ConstructedInterpolants, 0 QuantifiedInterpolants, 53864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 265 InterpolantComputations, 265 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